CN110455164A - A kind of centering method of adjustment of horizontal pump - Google Patents
A kind of centering method of adjustment of horizontal pump Download PDFInfo
- Publication number
- CN110455164A CN110455164A CN201910609809.7A CN201910609809A CN110455164A CN 110455164 A CN110455164 A CN 110455164A CN 201910609809 A CN201910609809 A CN 201910609809A CN 110455164 A CN110455164 A CN 110455164A
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- Prior art keywords
- motor
- stabilizer blade
- pump
- adjustment
- clutch
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Classifications
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
Abstract
The present invention relates to nuclear power service technique fields, specifically disclose a kind of centering method of adjustment of horizontal pump, comprising the following steps: step 1: frame table；Step 2: the centre deviation of measurement pump and motor；Step 3: calculating the centre deviation of pump with motor；Step 4: measurement motor data；Step 5: calculating motor stabilizer blade spacer thickness adjustment amount and adjustment motor stabilizer blade.The method of the present invention is calculated, primary adjustment by two steps according to the scaling principle of similar triangles, reduces the adjustment number of motor stabilizer blade gasket, can shorten the centering adjustment time of pump and motor, achieve the purpose that quick centring.
Description
Technical field
The invention belongs to nuclear power service technique fields, and in particular to a kind of centering method of adjustment of horizontal pump.
Background technique
Conventional horizontal pump and motor centering method of adjustment eliminates end face by increasing and decreasing the gasket of motor branch underfooting first
Deviation after end face deviation is eliminated, adjusts the gasket of motor branch underfooting simultaneously further according to outer circle deviation, and generally requires by multiple
Adjustment motor stabilizer blade gasket can be only achieved preferable effect, and for some mammoth pumps, necessary electromotor is heavier, adjust time-consuming and laborious.
Therefore, need to design the new centering method of adjustment of one kind to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of centering methods of adjustment of horizontal pump, to shorten the adjustment of pump with motor centering
Time.
Technical scheme is as follows:
A kind of centering method of adjustment of horizontal pump, comprising the following steps:
Step 1: frame table
The fixed magnetic gauge stand on motor clutch sets up dial gauge A, dial gauge B and dial gauge C respectively；Wherein, percentage
Table A and dial gauge B pointer are directed toward pump clutch end face, and dial gauge C pointer is directed toward the outer circle of pump clutch；
The initial reading for reading three pieces of dial gauges respectively, is denoted as a1, b1, c1；
Step 2: the centre deviation of measurement pump and motor
Angularly, the rotor of motor and pump is repeatedly moved to same direction disk, is read the reading of three pieces of dial gauges respectively, is denoted as
Ai, bi, ci, i >=2；
Step 3: calculating the centre deviation of pump with motor
Calculate separately upper and lower radial deviation, left and right radial missing, upper and lower end face deviation and the left and right end face of pump and motor
Deviation；
Step 4: measurement motor data
Measure motor backrest wheel diameter D, the distance between motor clutch and motor stabilizer blade I L1, motor stabilizer blade I and stabilizer blade
The distance between II L2；
Step 5: calculating motor stabilizer blade spacer thickness adjustment amount and adjustment motor stabilizer blade
If having measured upper and lower end face deviation, according to the principle of similar triangles, pass through reduction or drive up motor stabilizer blade II
Deviation can be eliminated.
If the upper and lower end face deviation measured is dehisced under being, by reduce motor stabilizer blade II dehisce by under deviation elimination.
If the upper and lower end face deviation measured be above dehisce, by drive up motor stabilizer blade II dehisce by deviation elimination.
In step 2, specifically includes the following steps:
Move 90 ° of rotor of motor and pump to same direction disk, read the reading of three pieces of dial gauges respectively, be denoted as a2, b2,
c2；
Continue 90 ° of rotor that move motor and pump to same direction disk, read the reading of three pieces of dial gauges respectively, be denoted as a3,
b3,c3；
90 ° of rotor for moving motor and pump to same direction disk again, read the reading of three pieces of dial gauges respectively, be denoted as a4,
b4、c4。
Calculation formula in step 3 are as follows:
Upper and lower radial deviation: ⊿ R1=(c1-c3)/2；
Left and right radial missing: ⊿ R2=(c2-c4)/2；
Upper and lower end face deviation: ⊿ H1=[(a1+b3)-(a3+b1)]/2；
Left and right end face deviation: ⊿ H2=[(a2+b4)-(a4+b2)]/2.
Step 5, if the upper and lower end face deviation measured is dehisced under being, it is assumed that II lower gasket thickness of motor stabilizer blade can after reducing y
So that dehiscing to eliminate under wheel, under the outer circle amount of raising caused after eliminating of dehiscing be x, then according to similar triangles original
Reason calculates as follows:
⊿ H1/D=y/L2；
Y=⊿ H1/D × L2；
X/L1=y/L2；
X=y/L2 × L1；
If the clutch of motor than the clutch Gao ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I reduces y/L2 × L1+ ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade reduces y+y/L2 × L1+ ⊿ R1, unit mm；
If the clutch of motor than the clutch Di ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I reduces y/L2 × L1- ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade reduces y+y/L2 × L1- ⊿ R1, unit mm；
It is unified once to be adjusted after the adjustment amount for calculating each stabilizer blade lower gasket of motor, when can shorten centering adjustment
Between, achieve the purpose that quick centring.
Step 5, if the upper and lower end face deviation measured is above to dehisce, it is assumed that II lower gasket thickness of motor stabilizer blade can after raising y
So that eliminating to dehiscing on wheel, outer circle reduction amount caused after eliminating of above dehiscing is x, then according to the original of similar triangles
Reason calculates as follows:
⊿ H1/D=y/L2；
Y=⊿ H1/D × L2；
X/L1=y/L2；
X=y/L2 × L1；
If the clutch of motor than the clutch Gao ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I increases y/L2 × L1- ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade increases y+y/L2 × L1- ⊿ R1, unit mm；
If the clutch of motor than the clutch Di ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I increases y/L2 × L1+ ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade increases y+y/L2 × L1+ ⊿ R1, unit mm；
It is unified once to be adjusted after the adjustment amount for calculating each stabilizer blade lower gasket of motor, when can shorten centering adjustment
Between, achieve the purpose that quick centring.
Remarkable result of the invention is:
The method of the present invention is calculated, primary adjustment by two steps according to the scaling principle of similar triangles, reduces motor branch
The adjustment number of feetpad can shorten the centering adjustment time of pump and motor, achieve the purpose that quick centring.
Detailed description of the invention
Fig. 1 is pump and motor to wheel center actual observation record schematic diagram；
Fig. 2 dehisce under being motor stabilizer blade gasket adjustment schematic diagram；
Fig. 3 is motor stabilizer blade gasket adjustment schematic diagram of above dehiscing.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
A kind of centering method of adjustment of horizontal pump, comprising the following steps:
Step 1: frame table
The fixed magnetic gauge stand on motor clutch sets up dial gauge A, dial gauge B and dial gauge C respectively.Wherein, percentage
Table A and dial gauge B pointer are directed toward pump clutch end face, and dial gauge C pointer is directed toward the outer circle of pump clutch, and dial gauge C is located at
Pump the surface of clutch；The initial reading for reading three pieces of dial gauges respectively, is denoted as a1, b1, c1；
Step 2: the centre deviation of measurement pump and motor
As shown in Figure 1, moving 90 ° of rotor of motor and pump to same direction disk, the reading of three pieces of dial gauges, note are read respectively
For a2, b2, c2；
Continue 90 ° of rotor that move motor and pump to same direction disk, read the reading of three pieces of dial gauges respectively, be denoted as a3,
b3,c3；
90 ° of rotor for moving motor and pump to same direction disk again, read the reading of three pieces of dial gauges respectively, be denoted as a4,
b4,c4；
Step 3: calculating the centre deviation of pump with motor
Upper and lower radial deviation: ⊿ R1=(c1-c3)/2；
Left and right radial missing: ⊿ R2=(c2-c4)/2；
Upper and lower end face deviation: ⊿ H1=[(a1+b3)-(a3+b1)]/2；
Left and right end face deviation: ⊿ H2=[(a2+b4)-(a4+b2)]/2；
Step 4: measurement motor data
As shown in Figure 2 and Figure 3, motor backrest wheel diameter D, the distance between motor clutch and motor stabilizer blade I L1 are measured,
The distance between motor stabilizer blade I and stabilizer blade II L2；
If the upper and lower end face deviation measured is dehisced under being, step 5 is carried out；If the upper and lower end face deviation measured is upper
Mouthful, then carry out step 6；
Step 5: under dehisce situation calculate motor stabilizer blade spacer thickness adjustment amount and adjustment motor stabilizer blade
As shown in Fig. 2, if the upper and lower end face deviation measured is dehisced under being, numerical value Wei ⊿ H1, according to the original of similar triangles
Reason, reduce motor stabilizer blade II can dehisce by under deviation elimination；
Assuming that II lower gasket thickness of motor stabilizer blade can to dehisce to eliminate under wheel after reducing y, under dehisce after elimination
The caused outer circle amount of raising is x, then according to similar triangle theory, calculates as follows:
⊿ H1/D=y/L2；
Y=⊿ H1/D × L2；
X/L1=y/L2；
X=y/L2 × L1；
If the clutch of motor than the clutch Gao ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I reduces y/L2 × L1+ ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade reduces y+y/L2 × L1+ ⊿ R1, unit mm；
If the clutch of motor than the clutch Di ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I reduces y/L2 × L1- ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade reduces y+y/L2 × L1- ⊿ R1, unit mm；
It is unified once to be adjusted after the adjustment amount for calculating each stabilizer blade lower gasket of motor, when can shorten centering adjustment
Between, achieve the purpose that quick centring；
Step 6: situation of above dehiscing calculates motor stabilizer blade spacer thickness adjustment amount and adjustment motor stabilizer blade
As shown in figure 3, if the upper and lower end face deviation measured is above to dehisce, numerical value Wei ⊿ H1, according to the original of similar triangles
Reason, drive up motor stabilizer blade II can dehisce by deviation elimination；
Assuming that II lower gasket thickness of motor stabilizer blade can to eliminate to dehiscing on wheel after raising y, after elimination of above dehiscing
Caused outer circle reduction amount is x, then according to the principle of similar triangles, calculates as follows:
⊿ H1/D=y/L2；
Y=⊿ H1/D × L2；
X/L1=y/L2；
X=y/L2 × L1；
If the clutch of motor than the clutch Gao ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I increases y/L2 × L1- ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade increases y+y/L2 × L1- ⊿ R1, unit mm；
If the clutch of motor than the clutch Di ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I increases y/L2 × L1+ ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade increases y+y/L2 × L1+ ⊿ R1, unit mm；
It is unified once to be adjusted after the adjustment amount for calculating each stabilizer blade lower gasket of motor, when can shorten centering adjustment
Between, achieve the purpose that quick centring.
The adjustment of horizontal pump and motor to wheel centre deviation is carried out using centering method of adjustment of the present invention, by similar triangles
Scaling principle be applied in the calculating to wheel centre deviation, calculated by two steps, primary adjustment can reach quick centring
Purpose has saved the time of centering adjustment, has played a multiplier effect.
Claims (7)
1. a kind of centering method of adjustment of horizontal pump, it is characterised in that: the following steps are included:
Step 1: frame table
The fixed magnetic gauge stand on motor clutch sets up dial gauge A, dial gauge B and dial gauge C respectively；Wherein, dial gauge A
It is directed toward pump clutch end face with dial gauge B pointer, dial gauge C pointer is directed toward the outer circle of pump clutch；
The initial reading for reading three pieces of dial gauges respectively, is denoted as a1, b1, c1；
Step 2: the centre deviation of measurement pump and motor
Angularly, repeatedly to same direction disk move motor and pump rotor, respectively read three pieces of dial gauges reading, be denoted as ai,
Bi, ci, i >=2；
Step 3: calculating the centre deviation of pump with motor
Calculate separately upper and lower radial deviation, left and right radial missing, upper and lower end face deviation and the left and right end face deviation of pump and motor；
Step 4: measurement motor data
Measure motor backrest wheel diameter D, the distance between motor clutch and motor stabilizer blade I L1, motor stabilizer blade I and stabilizer blade II it
Between distance L2；
Step 5: calculating motor stabilizer blade spacer thickness adjustment amount and adjustment motor stabilizer blade
If having measured upper and lower end face deviation, according to the principle of similar triangles, can be incited somebody to action by reduction or drive up motor stabilizer blade II
Deviation is eliminated.
2. a kind of centering method of adjustment of horizontal pump as described in claim 1, it is characterised in that: if the upper and lower end face measured is inclined
Difference is dehisced under being, then by reduce motor stabilizer blade II dehisce by under deviation elimination.
3. a kind of centering method of adjustment of horizontal pump as claimed in claim 2, it is characterised in that: if the upper and lower end face measured is inclined
Difference is then dehisced deviation elimination by drive up motor stabilizer blade II by above to dehisce.
4. a kind of centering method of adjustment of horizontal pump as claimed in claim 3, it is characterised in that: in step 2, specifically include with
Lower step:
90 ° of rotor of motor and pump are moved to same direction disk, the reading of three pieces of dial gauges is read respectively, is denoted as a2, b2, c2；
Continue 90 ° of rotor that move motor and pump to same direction disk, read the reading of three pieces of dial gauges respectively, be denoted as a3, b3,
c3；
90 ° of rotor for moving motor and pump to same direction disk again, read the reading of three pieces of dial gauges respectively, be denoted as a4, b4,
c4。
5. a kind of centering method of adjustment of horizontal pump as claimed in claim 4, it is characterised in that: the calculation formula in step 3
Are as follows:
Upper and lower radial deviation: ⊿ R1=(c1-c3)/2；
Left and right radial missing: ⊿ R2=(c2-c4)/2；
Upper and lower end face deviation: ⊿ H1=[(a1+b3)-(a3+b1)]/2；
Left and right end face deviation: ⊿ H2=[(a2+b4)-(a4+b2)]/2.
6. a kind of centering method of adjustment of horizontal pump as claimed in claim 5, it is characterised in that: step 5, if what is measured is upper and lower
End face deviation is dehisced under being, it is assumed that and II lower gasket thickness of motor stabilizer blade can to dehisce to eliminate under wheel after reducing y, and lower
The mouth outer circle amount of raising caused after eliminating is x, then according to similar triangle theory, calculates as follows:
⊿ H1/D=y/L2；
Y=⊿ H1/D × L2；
X/L1=y/L2；
X=y/L2 × L1；
If the clutch of motor than the clutch Gao ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I reduces y/L2 × L1+ ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade reduces y+y/L2 × L1+ ⊿ R1, unit mm；
If the clutch of motor than the clutch Di ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I reduces y/L2 × L1- ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade reduces y+y/L2 × L1- ⊿ R1, unit mm；
It is unified once to be adjusted after the adjustment amount for calculating each stabilizer blade lower gasket of motor, centering adjustment time can be shortened, reached
To the purpose of quick centring.
7. a kind of centering method of adjustment of horizontal pump as claimed in claim 5, it is characterised in that: step 5, if what is measured is upper and lower
End face deviation is above to dehisce, it is assumed that II lower gasket thickness of motor stabilizer blade can to eliminate to dehiscing on wheel after raising y, and upper
Mouth outer circle reduction amount caused after eliminating is x, then according to the principle of similar triangles, calculates as follows:
⊿ H1/D=y/L2；
Y=⊿ H1/D × L2；
X/L1=y/L2；
X=y/L2 × L1；
If the clutch of motor than the clutch Gao ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I increases y/L2 × L1- ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade increases y+y/L2 × L1- ⊿ R1, unit mm；
If the clutch of motor than the clutch Di ⊿ R1 of pump:
The spacer thickness of motor stabilizer blade I increases y/L2 × L1+ ⊿ R1, unit mm；
II lower gasket thickness of motor stabilizer blade increases y+y/L2 × L1+ ⊿ R1, unit mm；
It is unified once to be adjusted after the adjustment amount for calculating each stabilizer blade lower gasket of motor, centering adjustment time can be shortened, reached
To the purpose of quick centring.
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| CN201910609809.7A CN110455164A (en) | 2019-07-08 | 2019-07-08 | A kind of centering method of adjustment of horizontal pump |
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| CN201910609809.7A CN110455164A (en) | 2019-07-08 | 2019-07-08 | A kind of centering method of adjustment of horizontal pump |
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Family
ID=68482421
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| CN201910609809.7A Pending CN110455164A (en) | 2019-07-08 | 2019-07-08 | A kind of centering method of adjustment of horizontal pump |
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Cited By (4)
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| CN111336900A (en) * | 2020-03-03 | 2020-06-26 | 南京理工大学 | Non-centering adjustment method for permanent magnet eddy current speed regulator |
| CN111644901A (en) * | 2020-04-09 | 2020-09-11 | 武汉船用机械有限责任公司 | Method and device for correcting machining axis of workpiece |
| CN111693014A (en) * | 2020-05-08 | 2020-09-22 | 中核核电运行管理有限公司 | Center adjusting method and device of multi-axis mechanical equipment |
| CN114857471A (en) * | 2022-04-02 | 2022-08-05 | 华能国际电力股份有限公司上海石洞口第二电厂 | Calculation method for quickly calculating central data of horizontal water pump |
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| CN111644901A (en) * | 2020-04-09 | 2020-09-11 | 武汉船用机械有限责任公司 | Method and device for correcting machining axis of workpiece |
| CN111644901B (en) * | 2020-04-09 | 2022-05-13 | 武汉船用机械有限责任公司 | Method and device for correcting machining axis of workpiece |
| CN111693014A (en) * | 2020-05-08 | 2020-09-22 | 中核核电运行管理有限公司 | Center adjusting method and device of multi-axis mechanical equipment |
| CN111693014B (en) * | 2020-05-08 | 2022-03-22 | 中核核电运行管理有限公司 | Center adjusting method and device of multi-axis mechanical equipment |
| CN114857471A (en) * | 2022-04-02 | 2022-08-05 | 华能国际电力股份有限公司上海石洞口第二电厂 | Calculation method for quickly calculating central data of horizontal water pump |
| CN114857471B (en) * | 2022-04-02 | 2024-04-05 | 华能国际电力股份有限公司上海石洞口第二电厂 | Calculation method for rapidly calculating center data of horizontal water pump |
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