CN106964974B - The process of nuclear power station axle envelope main pump shafting bounce adjustment - Google Patents
The process of nuclear power station axle envelope main pump shafting bounce adjustment Download PDFInfo
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- CN106964974B CN106964974B CN201710247258.5A CN201710247258A CN106964974B CN 106964974 B CN106964974 B CN 106964974B CN 201710247258 A CN201710247258 A CN 201710247258A CN 106964974 B CN106964974 B CN 106964974B
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- jackshaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention relates to a kind of processes of nuclear power station axle envelope main pump shafting bounce adjustment, it is stood up on the workbench of boring machine after no progress is assembled with the shaft components of processing positioning pin by drawing, pass through the cooperation of boring machine and amesdial, utilize upper coupling and jackshaft, 4 adjusting method shafts of lower coupler and jackshaft are into line bounce inspection and adjust, its jitter values is set to meet drawing requirement, the shafting bounce precision of the process adjustment of the present invention is high, the unqualified caused workpiece for extending sales hole generation of segmentation adjustment is avoided to scrap, reliability is high, the shafting jitter values adjusted using the method are fully able to meet design requirement, and it is successfully applied to manufacture course of products, it is efficient, adjustment time is shortened 2/3rds, create huge benefit.
Description
Technical field：The present invention relates to a kind of processes of nuclear power station axle envelope main pump shafting bounce adjustment.
Background technology：The bounce adjustment of nuclear power station axle envelope main pump shafting is the key that nuclear power station axle envelope main pump normal operation, is jumped
The precision diameter of dynamic adjustment influences the vibration values of main pump.Vibration values, which cross conference, causes core main pump that cannot run well or nuclear power station
Shutdown there will be severe major accident.The bounce adjustment of nuclear power station axle envelope main pump shafting is outstanding for the production domesticization of axle envelope core main pump
It is important.The bounce adjustment of nuclear power station axle envelope main pump shafting is always the technical barrier of the world, is the key technology of core main pump manufacture.
It is domestic beyond example, the nuclear power station axle envelope main pump shafting bounce method of adjustment technical process that foreign countries colleague uses is cumbersome, using vertical
Vehicle carries out segmented concentricity adjustment, and the concentricity adjustment and then progress dowel hole for both first carrying out upper coupling and jackshaft add
Work, the concentricity adjustment for then carrying out lower coupler and jackshaft carry out dowel hole processing again, and the low precision of adjustment can not be very
Good guarantee upper coupling and the coaxial accuracy and lower coupler of jackshaft and the coaxial accuracy of jackshaft, since segmentation is adjusted
The coaxiality deviation direction difference and low precision of whole every section, the jitter values qualification rate after shafting combination is very low, after piecewise combination
Adjustment effect is undesirable, drawing requirement is often not achieved, and readjust, and needs again with processing dowel hole, every time
Again it all needs to amplify foramen primum size with processing dowel hole, needs to customize various sizes of nonstandard cutter, waste the cost of charp tool
And equipment processing cost and influence manufacturing schedule, and positioning pin lose versatility and interchangeability in addition hole diffuse into size without
Method can only scrap shaft coupling and jackshaft the case where amplifying, and bring prodigious economic loss and project progress loss, and
Period is longer, and adjustment every time averagely needs three months or so.
Invention content：Purpose of the present invention is to disclose, a kind of precision is high, regulated efficiency is high and can guarantee nuclear power station axle envelope master
The process of the nuclear power station axle envelope main pump shafting bounce adjustment of pump shaft system bounce.The technology of the present invention art scheme is as follows：One seed nucleus
The process of power station axle envelope core main pump shafting bounce adjustment will be stood up after the shafting assembly of the same processing positioning pin of no progress
On the workbench of boring machine, by upper coupling and jackshaft, 4 adjusting method shafts of lower coupler and jackshaft are jumped
It is dynamic to check and adjust, so that its jitter values is met drawing requirement, the above method includes the following steps：1) it presses drawing and completes shaft components
Upper half a coupler 1, jackshaft 2, lower half a coupler 3, lower pump shaft 4, impeller 5 assembly, the upper half a coupler 1 in shaft components
It is processed without same with jackshaft 2 and lower half a coupler 3 and the dowel hole 12 of jackshaft 2, because the outer circle drawing of three components is wanted
It is identical to seek size, so being snapped into using knife-edge ruler when fit on half a coupler, jackshaft, lower half a coupler presetting in outer circle
Concentricity；
2) shaft components installed by drawing are stood up on boring table 6, pressing plate 8, pull rod 7, nut 9 is used in combination to fix
Onto boring table 6；
3) four bolts 13 of half a coupler and jackshaft arrive 10 magnetic of amesdial with magnetic stand after unclamping under
11 position of main tapping of boring machine, by lathe make amesdial 10 lower coupler 3 with the faying face of jackshaft 2 is vertical up and down moves
It is dynamic, amesdial 10 is read in the difference from lower coupler 3 to the relative position of jackshaft 2, and 180 degree position had both been differed to position
The distance difference of amesdial should not exceed 0.005mm,
Both | S1-S2 |≤0.005mm
S1 and S2 is respectively amesdial two numbers of 180 degree to position when being moved from 3 device of lower shaft coupling to jackshaft 2
Value, and the symbol of numerical value is answered identical, if the sign of numerical value differs and S1 and S2 distance values differences are more than 0.005mm, is answered
Be adjusted to numerical value symbol is identical and S1 is less than 0.005mm with S2 distance values differences, gently beat 2 side of jackshaft using rubber hammer
Edge, the reading by observing amesdial 10 are adjusted, until the sign symbol of the reading of amesdial 10 is identical and distance values are poor
Within the scope of 0.005mm, any position is risen a bit in the full circle of jackshaft 2, and a position is selected every 90 degree, selects four positions altogether
It sets and measures, 2 points of adjacent 180 degree is one group, obtains two groups of numerical value；
4) after the two values of every group of numerical value meet requirement of the difference no more than 0.005mm, four are tightened by torque requirement
Bolt 13, is used in combination whether 10 repetition measurement of amesdial, two group number-reading meets the requirements, and does not meet the work of duplicate keys 3 such as；
5) upper half a coupler 1 and four bolts 13 of jackshaft 2 are unclamped, by 10 magnetic of amesdial with magnetic stand
Make amesdial 10 above and below the faying face of upper coupling 1 and jackshaft 2 by operation lathe to 11 position of main tapping of boring machine
It vertically moves, reads amesdial in the difference from upper coupling 1 to the relative position of jackshaft 2,180 degree is both differed to a position
The distance difference of position amesdial should not exceed 0.005mm,
Both | S3-S4 |≤0.005mm
Respectively 180 degree is to the two values of position when being moved from upper coupling 1 to jackshaft 2 for amesdial, and number
The symbol of value is answered identical, if the sign of numerical value differs and S3 and S4 distance values differences are more than 0.005mm, should be adjusted to several
The symbol of value is identical and S3 is less than 0.005mm with S4 distance values differences, gently beats 2 edge of jackshaft using rubber hammer, passes through
The reading of observation amesdial 10 is adjusted, until amesdial 10 read sign symbol is identical and distance values it is poor
Within the scope of 0.005mm, any position is risen a bit in the full circle of jackshaft 2, and a position is selected every 90 degree, selects four positions altogether
It measures, 2 points of adjacent 180 degree is one group, obtains two groups of numerical value；
6) after the two values of every group of numerical value meet requirement of the difference no more than 0.005mm, four are tightened by torque requirement
Bolt 13, be used in combination 10 repetition measurement of amesdial reading whether the numerical requirements of coincidence formula, such as it is undesirable repeat step 5) work；
7) entire shafting is placed into 7m horizontal hones and carries out whole shafting glitch detection；
8) after glitch detection qualification, upper coupling 1 and jackshaft 2 are carried out, lower coupler 3 is corresponding with the position of jackshaft 2
It identifies, half a coupler 1 in dismounting, half a coupler 3 and jackshaft 2 under overall pulling down, with the lower half a coupler 3 of processing and jackshaft 2
Four dowel holes (12), and match positioning pin；
9) whole to identify back dress shafting by drawing and ready-made correspondence, sequentially step 5), step 6) adjust upper half a coupler 1
With the position of jackshaft 2；
10) entire shafting is placed into horizontal hone and carries out whole shafting glitch detection；
11) after bounce is qualified, half a coupler 1 and jackshaft 2 on overall pulling down, with the upper half a coupler 1 of processing and jackshaft 2
Four dowel holes, and match positioning pin；
12) entire shafting is placed into horizontal hone, final repetition measurement entirety shafting bounce.
The use shafting of the invention is vertical whole and in the state that no progress is with any dowel hole is processed
Carry out the process of whole bounce released by checking four sections adjustment.The advantages of this process：First is not with processing positioning
Preliminary examination can be carried out to the bounce situation of whole shafting, can be first adjusted Ru unqualified, relative to existing before pin hole
Technology, can to avoid its unknown shafting integrally beat whether it is qualified in the case of first carry out lower coupler and jackshaft positioning pin
The processing in hole and the processing of upper coupling and jackshaft dowel hole, being readjusted when unqualified can be extremely complex, needs weight
New processing dowel hole, and still cannot be guaranteed whether shafting jitter values meet design requirement, work of the invention after readjusting
Process first checks that entirety is beated and adjusted, after the same processing that upper half shaft coupling and jackshaft are first carried out after overall acceptability, then it is whole
Body is checked, then is carried out with processing, it is ensured that shafting integrally beat it is completely qualified in the case of carried out again with processing dowel hole,
Success rate is absolutely.Second be 4 adjusting methods of vertical entirety avoid segmentation adjustment coaxiality deviation direction it is uncertain,
Existing technical matters method is to rotate shaft coupling and jackshaft placement on the table on vertical lathe, respectively detection connection
Axis device is beated with jackshaft outer circle, and this technique can only detect jitter values, not can determine that the relative deviation direction of jitter values, and
Jitter values can only be adjusted to 0.02mm or so, and precision is low, and the deviation of accumulation is generated after assembling, lead to whole shafting jitter values very
It is readily unqualified more than the 0.05mm of design requirement, and the method for the present invention can intuitively be shown in the state of entirety
Bias direction, and can be adjusted.The process precision of the present invention is high, is less than by S1 and S2 distance values differences
0.005mm；The Adjustment precision requirement of S3 and S4 distance values differences less than 0.005mm, can control upper coupling and jackshaft and
The practical concentricity of the contact surface position of lower coupler and jackshaft is not more than 0.01mm, even if multiple shafting workpiece integrally assemble
Have the mismachining tolerance of accumulation afterwards, as long as single workpiece meets drawing requirement, it is also ensured that whole jitter values in 0.03mm or so,
Avoid segmentation adjustment it is unqualified caused by extend sales hole repeatedly and the workpiece that generates is scrapped, process reliability of the invention
Height, the shafting jitter values adjusted using the method are fully able to meet design requirement, and are successfully applied to manufacture course of products,
The process of the present patent application is efficient, and Yuanping City's every trimestral adjustment time is shorten to every averagely less than one
The adjustment time of the moon.
Description of the drawings：
The vertical bounce of Fig. 1 shaft components adjusts status diagram
Fig. 2 shaft components amesdial 10 measures 4 position views
Specific implementation mode：
As shown in Figure 1, a kind of process of nuclear power station axle envelope core main pump shafting bounce adjustment, it will be without carrying out with processing
It is stood up on the workbench of boring machine after the shafting assembly of positioning pin, by upper coupling and jackshaft, lower coupler and jackshaft
4 adjusting method shafts into line bounce inspection with adjustment, so that its jitter values is met drawing requirement, the above method includes following
Step：1) dress that drawing completes the upper half a coupler 1 of shaft components, jackshaft 2, lower half a coupler 3, lower pump shaft 4, impeller 5 is pressed
Match, as shown in Figure 1, the upper half a coupler 1 in shaft components and jackshaft 2 and the dowel hole of lower half a coupler 3 and jackshaft 2
12 without with processing, because the outer circle drawing requirement size of three components be it is identical, so fit on half a coupler, jackshaft,
Presetting concentricity in outer circle is snapped into using knife-edge ruler when lower half a coupler；
2) shaft components installed by drawing are stood up on boring table 6, pressing plate 8, pull rod 7, nut 9 is used in combination to fix
Onto boring table 6；
3) as shown in Fig. 2, by thousand points with magnetic stand after the release of four bolts 13 of lower half a coupler and jackshaft
10 magnetic of table makes amesdial 10 on the faying face of lower coupler 3 and jackshaft 2 to 11 position of main tapping of boring machine, by lathe
Under vertically move, read amesdial 10 in the difference from lower coupler 3 to the relative position of jackshaft 2, position had both been differed
The distance difference of 180 degree position amesdial should not exceed 0.005mm,
Both | S1-S2 |≤0.005mm
S1 and S2 is respectively amesdial two numbers of 180 degree to position when being moved from 3 device of lower shaft coupling to jackshaft 2
Value, and the symbol of numerical value is answered identical, if the sign of numerical value differs and S1 and S2 distance values differences are more than 0.005mm, is answered
Be adjusted to numerical value symbol is identical and S1 is less than 0.005mm with S2 distance values differences, gently beat 2 side of jackshaft using rubber hammer
Edge, the reading by observing amesdial 10 are adjusted, until the sign symbol of the reading of amesdial 10 is identical and distance values are poor
Within the scope of 0.005mm, any position is risen a bit in the full circle of jackshaft 2, and a position is selected every 90 degree, selects four positions altogether
It sets and measures, 2 points of adjacent 180 degree is one group, obtains two groups of numerical value；
4) after the two values of every group of numerical value meet requirement of the difference no more than 0.005mm, four are tightened by torque requirement
Bolt 13, is used in combination whether 10 repetition measurement of amesdial, two group number-reading meets the requirements, and does not meet the work of duplicate keys 3 such as；
5) upper half a coupler 1 and four bolts 13 of jackshaft 2 are unclamped, by 10 magnetic of amesdial with magnetic stand
Make amesdial 10 above and below the faying face of upper coupling 1 and jackshaft 2 by operation lathe to 11 position of main tapping of boring machine
It vertically moves, reads amesdial in the difference from upper coupling 1 to the relative position of jackshaft 2,180 degree is both differed to a position
The distance difference of position amesdial should not exceed 0.005mm,
Both | S3-S4 |≤0.005mm
Respectively 180 degree is to the two values of position when being moved from upper coupling 1 to jackshaft 2 for amesdial, and number
The symbol of value is answered identical, if the sign of numerical value differs and S3 and S4 distance values differences are more than 0.005mm, should be adjusted to several
The symbol of value is identical and S3 is less than 0.005mm with S4 distance values differences, gently beats 2 edge of jackshaft using rubber hammer, passes through
The reading of observation amesdial 10 is adjusted, until amesdial 10 read sign symbol is identical and distance values it is poor
Within the scope of 0.005mm, any position is risen a bit in the full circle of jackshaft 2, and a position is selected every 90 degree, selects four positions altogether
It measures, 2 points of adjacent 180 degree is one group, obtains two groups of numerical value；
6) after the two values of every group of numerical value meet requirement of the difference no more than 0.005mm, four are tightened by torque requirement
Bolt 13, be used in combination 10 repetition measurement of amesdial reading whether the numerical requirements of coincidence formula, such as it is undesirable repeat step 5) work；
7) entire shafting is placed into 7m horizontal hones and carries out whole shafting glitch detection；
8) after glitch detection qualification, upper coupling 1 and jackshaft 2 are carried out, lower coupler 3 is corresponding with the position of jackshaft 2
It identifies, half a coupler 1 in dismounting, half a coupler 3 and jackshaft 2 under overall pulling down, with the lower half a coupler 3 of processing and jackshaft 2
Four dowel holes (12), and match positioning pin；
9) whole to identify back dress shafting by drawing and ready-made correspondence, sequentially step 5), step 6) adjust upper half a coupler 1
With the position of jackshaft 2；
10) entire shafting is placed into horizontal hone and carries out whole shafting glitch detection；
11) after bounce is qualified, half a coupler 1 and jackshaft 2 on overall pulling down, with the upper half a coupler 1 of processing and jackshaft 2
Four dowel holes, and match positioning pin；
12) entire shafting is placed into horizontal hone, final repetition measurement entirety shafting bounce.
Claims (1)
1. a kind of process of nuclear power station axle envelope core main pump shafting bounce adjustment, it is characterized in that：It will be fixed with processing without carrying out
It is stood up on the workbench of boring machine after the shafting assembly of position pin, by upper coupling and jackshaft, lower coupler and jackshaft
4 adjusting method shafts make its jitter values meet drawing requirement, the above method includes following step into line bounce inspection and adjustment
Suddenly：
1) upper half a coupler (1), jackshaft (2), lower half a coupler (3), lower pump shaft (4), leaf that drawing completes shaft components are pressed
The assembly of (5) is taken turns, the upper half a coupler (1) in shaft components and jackshaft (2) and lower half a coupler (3) and jackshaft (2)
Dowel hole (12) is without same processing, because the outer circle drawing requirement size of three components is identical, so half shaft coupling of fit on
Presetting concentricity in outer circle is snapped into using knife-edge ruler when device, jackshaft, lower half a coupler；
2) shaft components installed by drawing are stood up on boring table (6), pressing plate (8), pull rod (7), nut (9) is used in combination
Fixed on boring table (6)；
3) four bolts (13) of half a coupler and jackshaft arrive amesdial (10) magnetic with magnetic stand after unclamping under
Main tapping (11) position of boring machine makes amesdial (10) above and below the faying face of lower coupler (3) and jackshaft (2) by lathe
It vertically moves, reads amesdial (10) in the difference from lower coupler (3) to the relative position of jackshaft (2), both to position
The distance difference of difference 180 degree position amesdial should not exceed 0.005mm,
Both | S1-S2 |≤0.005mm
S1 and S2 is respectively amesdial two numbers of 180 degree to position when mobile from lower shaft coupling (3) device to jackshaft (2)
Value, and the symbol of numerical value is answered identical, if the sign of numerical value differs and S1 and S2 distance values differences are more than 0.005mm, is answered
Be adjusted to numerical value symbol is identical and S1 is less than 0.005mm with S2 distance values differences, gently beat jackshaft (2) using rubber hammer
Edge, the reading by observing amesdial (10) are adjusted, until the sign symbol of amesdial (10) reading is identical and distance
Numerical difference within the scope of 0.005mm, rise a bit in the full circle of jackshaft (2), and a position is selected every 90 degree by any position, altogether
Four positions are selected to measure, 2 points of adjacent 180 degree is one group, obtains two groups of numerical value；
4) after the two values of every group of numerical value meet requirement of the difference no more than 0.005mm, four bolts are tightened by torque requirement
(13), it is used in combination whether two group number-reading of amesdial (10) repetition measurement meets the requirements, does not meet duplicate keys (3) work such as；
5) four bolts (13) of upper half a coupler (1) and jackshaft (2) are unclamped, by the amesdial (10) with magnetic stand
Main tapping (11) position of magnetic to boring machine makes amesdial (10) in upper coupling (1) and jackshaft (2) by operation lathe
Faying face vertically move up and down, read amesdial in the difference from upper coupling (1) to the relative position of jackshaft (2), it is right
The distance difference that point position had both differed 180 degree position amesdial should not exceed 0.005mm,
Both | S3-S4 |≤0.005mm
Respectively 180 degree is to the two values of position when mobile from upper coupling (1) to jackshaft (2) for amesdial, and number
The symbol of value is answered identical, if the sign of numerical value differs and S3 and S4 distance values differences are more than 0.005mm, should be adjusted to several
The symbol of value is identical and S3 is less than 0.005mm with S4 distance values differences, gently beats jackshaft (2) edge using rubber hammer, leads to
The reading for crossing observation amesdial (10) is adjusted, until amesdial (10) read sign symbol is identical and distance values it is poor
Within the scope of 0.005mm, any position is risen a bit in the full circle of jackshaft (2), and a position is selected every 90 degree, selects four positions altogether
It sets and measures, 2 points of adjacent 180 degree is one group, obtains two groups of numerical value；
6) after the two values of every group of numerical value meet requirement of the difference no more than 0.005mm, four bolts are tightened by torque requirement
(13), be used in combination amesdial (10) repetition measurement reading whether the numerical requirements of coincidence formula, such as it is undesirable repeat step 5) work；
7) entire shafting is placed into 7m horizontal hones and carries out whole shafting glitch detection；
8) after glitch detection qualification, upper coupling (1) and jackshaft (2), the position of lower coupler (3) and jackshaft (2) are carried out
Corresponding mark, the upper half a coupler (1) of dismountings, half a coupler (3) and jackshaft (2) under overall pulling down, with half a coupler under processing
(3) with (2) four dowel holes (12) of jackshaft, and match positioning pin；
9) whole identify back dress shafting by drawing and ready-made correspondence, sequentially step 5), step 6) adjust above half a coupler (1) and
The position of jackshaft (2)；
10) entire shafting is placed into horizontal hone and carries out whole shafting glitch detection；
11) after bounce is qualified, half a coupler (1) and jackshaft (2) on overall pulling down, with the upper half a coupler (1) of processing and centre
(2) four dowel holes of axis, and match positioning pin；
12) entire shafting is placed into horizontal hone, final repetition measurement entirety shafting bounce.
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| CN201710247258.5A CN106964974B (en) | 2017-04-17 | 2017-04-17 | The process of nuclear power station axle envelope main pump shafting bounce adjustment |
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| CN201710247258.5A CN106964974B (en) | 2017-04-17 | 2017-04-17 | The process of nuclear power station axle envelope main pump shafting bounce adjustment |
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| CN106964974B true CN106964974B (en) | 2018-10-30 |
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| CN105737710A (en) * | 2016-02-23 | 2016-07-06 | 电子科技大学 | Device of detecting axial and radial runout of shaft parts |
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| CN106964974A (en) | 2017-07-21 |
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