CN106271563A - A kind of nuclear reactor coolant pump kingbolt drawing process - Google Patents
A kind of nuclear reactor coolant pump kingbolt drawing process Download PDFInfo
- Publication number
- CN106271563A CN106271563A CN201510326024.0A CN201510326024A CN106271563A CN 106271563 A CN106271563 A CN 106271563A CN 201510326024 A CN201510326024 A CN 201510326024A CN 106271563 A CN106271563 A CN 106271563A
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- CN
- China
- Prior art keywords
- labour saving
- kingbolt
- kingbolts
- cantilevered
- saving machine
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Classifications
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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
- B23P19/04—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 for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/067—Bolt tensioners
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to Nuclear Power Station power engineering technology field, be specifically related to a kind of nuclear reactor coolant pump kingbolt drawing process.The present invention comprises the following steps: step 1, be numbered several kingbolts, and carries out labelling；Step 2, several cantilevered labour saving machine handss are installed on the upper support frame corresponding to kingbolt in an intermediate position and fasten；Step 3, several bolt tension cylinders are mounted respectively on the fast-type grapple of cantilevered labour saving machine hands；Step 4, it is respectively moved to, above kingbolt to be tensioned, then this kingbolt be stretched by several cantilevered labour saving machine handss；Step 5, treat kingbolt stretching after, cantilevered labour saving machine hands is being moved on other bolts.The present invention is convenient to carry out, can effectively alleviate the labor intensity of maintainer, improves work efficiency, reduces collective dose value.
Description
Technical field
The invention belongs to Nuclear Power Station power engineering technology field, be specifically related to a kind of nuclear reactor coolant pump
Kingbolt drawing process.
Background technology
In the disassembling overhaul of nuclear reactor coolant pump, it will relate to one relatively based on and extremely important
Maintenance procedures, that is, on faying face main to nuclear reactor coolant pump horizontal homogeneous distribution 30 main spiral shells
Bolt correctly dismounts.According to maintenance procedure requirement, dismantling and install kingbolt all need to be by bolt stretching machine
Kingbolt is stretched, wherein when dismounting, need to be to 30 each self stretch of kingbolt 3 times, when mounted,
30 each self stretch of kingbolt 4 times need to be performed same stretching altogether when i.e. dismantling and install kingbolt
Work 210 times.And before carrying out drawing work, the stretching cylinder of single weight about 30kg need to be pacified by maintainer
It is contained on kingbolt, again stretching cylinder is disassembled after treating kingbolt stretching and be installed to next main spiral shell
On bolt, i.e. 1 kingbolt of stretching need to complete mentioning for 2 times and putting down operation of stretching cylinder, and completes kingbolt
Dismounting stretching cylinder will be mentioned put down 420 times with returning dress work, accumulative gross weight about 12600kg.In the past
The pure physical work by maintainer that works transporting stretching cylinder when dismounting and installation kingbolt back and forth completes,
Its labor intensity is relatively big, owing to labor intensity is directly proportional to the required time that worked, the most not only can
Delay the main line repair time, but also overhaul collective dose value can be increased.
Summary of the invention
The technical issues that need to address of the present invention are: provide a kind of nuclear reactor coolant pump kingbolt stretching side
Method, it is possible to effectively alleviate the labor intensity of maintainer, improves work efficiency, reduces collective dose value.
Present invention employs following technical scheme:
A kind of nuclear reactor coolant pump kingbolt drawing process, comprises the following steps:
Step 1, several kingbolts are numbered, and carry out labelling；
Step 2, several cantilevered labour saving machine handss are installed on corresponding to kingbolt in an intermediate position
On upper support frame and fasten；
Step 3, several bolt tension cylinders are mounted respectively to the fast-type grapple of cantilevered labour saving machine hands
On；
Step 4, several cantilevered labour saving machine handss are respectively moved to above kingbolt to be tensioned, then
This kingbolt is stretched；
Step 5, treat kingbolt stretching after, cantilevered labour saving machine hands is being moved on other bolts.
30 kingbolts are numbered by described step 1 from 1～30.
In described step 2, cantilevered labour saving machine hands includes a cantilevered labour saving machine hands, No. two cantilevers
Formula labour saving machine hands, No. three cantilevered labour saving machine handss, be installed on No. 6 by a cantilevered labour saving machine hands
On upper support frame corresponding to kingbolt, No. two cantilevered labour saving machine handss are installed on No. 16 kingbolt institutes right
On the upper support frame answered, No. three cantilevered labour saving machine handss are installed on the upper support corresponding to No. 26 kingbolts
On frame.
Three bolt tension cylinders are mounted respectively to by described step 3 a cantilevered labour saving machine hands, two
Number cantilevered labour saving machine hands, No. three cantilevered labour saving machine handss.
A number cantilevered labour saving machine hands is moved above No. 1 kingbolt by described step 4, by No. two
Cantilevered labour saving machine hands moves above No. 11 kingbolts, moves No. three cantilevered labour saving machine handss to 21
Above number kingbolt, and three bolt tension cylinders are attached separately to No. 1 kingbolt, No. 11 kingbolts, No. 21
On kingbolt, start three bolt tension cylinders and these three kingbolt is stretched.
After described step 5 is treated No. 1 kingbolt, No. 11 kingbolts and No. 21 kingbolt stretchings, then
Respectively by a cantilevered labour saving machine hands, No. two cantilevered labour saving machine handss, No. three cantilevered labour saving machines
Hands moves to, above other bolts, stretch other kingbolts.
The invention has the beneficial effects as follows:
A kind of nuclear reactor coolant pump kingbolt drawing process that the present invention provides, it is possible to nuclear reactor is cold
But agent pump kingbolt drawing work is divided into three independent groups to perform, and before starting hydraulic power unit
Inter-working is without interfering, it is simple to implement, and can effectively alleviate the labor intensity of maintainer, improves work efficiency,
Reduce collective dose value.
Accompanying drawing explanation
The use schematic diagram of a kind of nuclear reactor coolant pump kingbolt drawing process that Fig. 1 provides for the present invention
A；
The use schematic diagram of a kind of nuclear reactor coolant pump kingbolt drawing process that Fig. 2 provides for the present invention
B；
The use schematic diagram of a kind of nuclear reactor coolant pump kingbolt drawing process that Fig. 3 provides for the present invention
C。
In figure: number cantilevered labour saving machine hands of 1-；No. bis-cantilevered labour saving machine handss of 2-；No. tri-cantilevereds of 3-
Labour saving machine hands.
Detailed description of the invention
With embodiment, the present invention is described further below in conjunction with the accompanying drawings.
A kind of nuclear reactor coolant pump kingbolt drawing process that the present invention provides, with the number of kingbolt be
As a example by 30, comprise the following steps:
As it is shown in figure 1, step 1,30 kingbolts are numbered from 1～30, and carry out labelling；
As it is shown in figure 1, step 2, a cantilevered labour saving machine hands 1 is installed on corresponding to No. 6 kingbolts
Upper support frame on, and with fixing bolt fasten；No. two cantilevered labour saving machine handss 2 are installed on No. 16 masters
On upper support frame corresponding to bolt, and fasten with fixing bolt；No. three cantilevered labour saving machine handss 3 are pacified
It is loaded on the upper support frame corresponding to No. 26 kingbolts, and fastens with fixing bolt；
As it is shown in figure 1, step 3, that one end of three bolt tension cylinders is mounted respectively to a cantilevered is laborsaving
On the fast-type grapple of mechanical hand 2, No. three cantilevered labour saving machine handss 3 of 1, No. two cantilevered labour saving machine handss；
As shown in Figure 2 and Figure 3, step 4, the fast-type grapple of a cantilevered labour saving machine hands 1 is moved
Above No. 1 kingbolt, the fast-type grapple of No. two cantilevered labour saving machine handss 2 is moved to No. 11 main spiral shells
Above bolt, the fast-type grapple of No. three cantilevered labour saving machine handss 3 is moved above No. 21 kingbolts, and
The other end of three bolt tension cylinders is attached separately on No. 1 kingbolt, No. 11 kingbolts, No. 21 kingbolts,
Start three bolt tension cylinders these three kingbolt is stretched；
Step 5, treat No. 1 kingbolt, No. 11 kingbolts and the stretching of No. 21 kingbolts after, more respectively one
The fast-type grapple of number cantilevered labour saving machine hands 1 moves above No. 5 kingbolts, No. two cantilevereds is saved
The fast-type grapple of power mechanical hand 2 moves above No. 15 kingbolts, by No. three cantilevered labour saving machine handss 3
Fast-type grapple move above No. 25 kingbolts, and the other end of three bolt tension cylinders is attached separately to
On No. 5 kingbolts, No. 15 kingbolts, No. 25 kingbolts, start three bolt tension cylinder spiral shells main to these three
Bolt stretches；
Step 6, treat No. 5 kingbolts, No. 15 kingbolts and the stretching of No. 25 kingbolts after, more respectively one
The fast-type grapple of number cantilevered labour saving machine hands 1 moves above No. 8 kingbolts, No. two cantilevereds is saved
The fast-type grapple of power mechanical hand 2 moves above No. 18 kingbolts, by No. three cantilevered labour saving machine handss 3
Fast-type grapple move above No. 28 kingbolts, and the other end of three bolt tension cylinders is attached separately to
On No. 8 kingbolts, No. 18 kingbolts, No. 28 kingbolts, start three bolt tension cylinder spiral shells main to these three
Bolt stretches；
Step 7, treat No. 8 kingbolts, No. 18 kingbolts and the stretching of No. 28 kingbolts after, more respectively one
The fast-type grapple of number cantilevered labour saving machine hands 1 moves above No. 3 kingbolts, No. two cantilevereds is saved
The fast-type grapple of power mechanical hand 2 moves above No. 13 kingbolts, by No. three cantilevered labour saving machine handss 3
Fast-type grapple move above No. 23 kingbolts, and the other end of three bolt tension cylinders is attached separately to
On No. 3 kingbolts, No. 13 kingbolts, No. 23 kingbolts, start three bolt tension cylinder spiral shells main to these three
Bolt stretches；
Step 8, treat No. 3 kingbolts, No. 13 kingbolts and the stretching of No. 23 kingbolts after, more respectively one
The fast-type grapple of number cantilevered labour saving machine hands 1 moves above No. 7 kingbolts, No. two cantilevereds is saved
The fast-type grapple of power mechanical hand 2 moves above No. 17 kingbolts, by No. three cantilevered labour saving machine handss 3
Fast-type grapple move above No. 27 kingbolts, and the other end of three bolt tension cylinders is attached separately to
On No. 7 kingbolts, No. 17 kingbolts, No. 27 kingbolts, start three bolt tension cylinder spiral shells main to these three
Bolt stretches；
Step 9, treat No. 7 kingbolts, No. 17 kingbolts and the stretching of No. 27 kingbolts after, more respectively one
The fast-type grapple of number cantilevered labour saving machine hands 1 moves above No. 10 kingbolts, No. two cantilevereds is saved
The fast-type grapple of power mechanical hand 2 moves above No. 20 kingbolts, by No. three cantilevered labour saving machine handss 3
Fast-type grapple move above No. 30 kingbolts, and the other end of three bolt tension cylinders is attached separately to
On No. 10 kingbolts, No. 20 kingbolts, No. 30 kingbolts, start three bolt tension cylinder spiral shells main to these three
Bolt stretches；
Step 10, treat No. 10 kingbolts, No. 20 kingbolts and the stretching of No. 30 kingbolts after, then distinguish
The fast-type grapple of a number cantilevered labour saving machine hands 1 moves above No. 6 kingbolts, by No. two cantilevereds
The fast-type grapple of labour saving machine hands 2 moves above No. 16 kingbolts, by No. three cantilevered labour saving machine handss
The fast-type grapple of 3 moves above No. 26 kingbolts, and is filled respectively by the other end of three bolt tension cylinders
On No. 6 kingbolts, No. 16 kingbolts, No. 26 kingbolts, start three bolt tension cylinders to these three master
Bolt stretches；
Step 11, treat No. 6 kingbolts, No. 16 kingbolts and the stretching of No. 26 kingbolts after, more respectively one
The fast-type grapple of number cantilevered labour saving machine hands 1 moves above No. 2 kingbolts, No. two cantilevereds is saved
The fast-type grapple of power mechanical hand 2 moves above No. 12 kingbolts, by No. three cantilevered labour saving machine handss 3
Fast-type grapple move above No. 22 kingbolts, and the other end of three bolt tension cylinders is attached separately to
On No. 2 kingbolts, No. 12 kingbolts, No. 22 kingbolts, start three bolt tension cylinder spiral shells main to these three
Bolt stretches；
Step 12, treat No. 2 kingbolts, No. 12 kingbolts and the stretching of No. 22 kingbolts after, then distinguish
The fast-type grapple of a number cantilevered labour saving machine hands 1 moves above No. 9 kingbolts, by No. two cantilevereds
The fast-type grapple of labour saving machine hands 2 moves above No. 19 kingbolts, by No. three cantilevered labour saving machine handss
The fast-type grapple of 3 moves above No. 29 kingbolts, and is filled respectively by the other end of three bolt tension cylinders
On No. 9 kingbolts, No. 19 kingbolts, No. 29 kingbolts, start three bolt tension cylinders to these three master
Bolt stretches.
Above in conjunction with drawings and Examples, the present invention is explained in detail, but the present invention is not limited to above-mentioned
Embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to without departing from the present invention
On the premise of objective, various changes can be made.The content not being described in detail in the present invention all can use existing skill
Art.
Claims (6)
1. a nuclear reactor coolant pump kingbolt drawing process, it is characterised in that: comprise the following steps:
Step 1, several kingbolts are numbered, and carry out labelling；
Step 2, several cantilevered labour saving machine handss are installed on corresponding to kingbolt in an intermediate position
On upper support frame and fasten；
Step 3, several bolt tension cylinders are mounted respectively to the fast-type grapple of cantilevered labour saving machine hands
On；
Step 4, several cantilevered labour saving machine handss are respectively moved to above kingbolt to be tensioned, then
This kingbolt is stretched；
Step 5, treat kingbolt stretching after, cantilevered labour saving machine hands is being moved on other bolts.
A kind of nuclear reactor coolant pump kingbolt drawing process the most according to claim 1, its feature
It is: 30 kingbolts are numbered by described step (1) from 1～30.
A kind of nuclear reactor coolant pump kingbolt drawing process the most according to claim 2, its feature
Be: in described step (2) cantilevered labour saving machine hands include cantilevered labour saving machine hands (1),
No. two cantilevereds labour saving machine hands (2), No. three cantilevereds labour saving machine hands (3), by laborsaving for a cantilevered
Mechanical hand (1) is installed on the upper support frame corresponding to No. 6 kingbolts, by No. two cantilevered labour saving machine handss
(2) it is installed on the upper support frame corresponding to No. 16 kingbolts, by No. three cantilevereds labour saving machine hands (3)
It is installed on the upper support frame corresponding to No. 26 kingbolts.
A kind of nuclear reactor coolant pump kingbolt drawing process the most according to claim 3, its feature
It is: three bolt tension cylinders are mounted respectively to a cantilevered labour saving machine hands by described step (3)
(1), No. two cantilevereds labour saving machine hands (2), No. three cantilevereds labour saving machine hands (3).
A kind of nuclear reactor coolant pump kingbolt drawing process the most according to claim 4, its feature
It is: cantilevered labour saving machine hands (1) is moved to No. 1 kingbolt by described step (4)
No. three cantilevereds, by mobile for No. two cantilevereds labour saving machine hands (2) above No. 11 kingbolts, are saved by side
Power mechanical hand (3) is mobile above No. 21 kingbolts, and three bolt tension cylinders are attached separately to No. 1 master
On bolt, No. 11 kingbolts, No. 21 kingbolts, start three bolt tension cylinders and these three kingbolt is carried out
Stretching.
A kind of nuclear reactor coolant pump kingbolt drawing process the most according to claim 5, its feature
It is: described step (5) being treated, No. 1 kingbolt, No. 11 kingbolts and No. 21 kingbolt stretchings are complete
After, more respectively by cantilevered labour saving machine hands (1), No. two cantilevereds labour saving machine hands (2), No. three
Other kingbolts, above other bolts, are stretched by the moving to soon of cantilevered labour saving machine hands (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510326024.0A CN106271563A (en) | 2015-06-12 | 2015-06-12 | A kind of nuclear reactor coolant pump kingbolt drawing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510326024.0A CN106271563A (en) | 2015-06-12 | 2015-06-12 | A kind of nuclear reactor coolant pump kingbolt drawing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106271563A true CN106271563A (en) | 2017-01-04 |
Family
ID=57650026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510326024.0A Pending CN106271563A (en) | 2015-06-12 | 2015-06-12 | A kind of nuclear reactor coolant pump kingbolt drawing process |
Country Status (1)
| Country | Link |
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| CN (1) | CN106271563A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892340A (en) * | 2017-04-27 | 2017-06-27 | 中国核工业第五建设有限公司 | The transhipment of AP1000 nuclear power station main pump kingbolts and installation method |
| CN106964976A (en) * | 2017-05-03 | 2017-07-21 | 中国核工业第五建设有限公司 | The main pump measurement installation method of AP1000 nuclear power stations |
| CN108735062A (en) * | 2017-04-14 | 2018-11-02 | 江苏核电有限公司 | A kind of reactor coolant pump kingbolt stretching simulator |
| CN111702716A (en) * | 2020-06-28 | 2020-09-25 | 江苏核电有限公司 | Tensile laborsaving device of large-scale horizontal centrifugal pump kingbolt of nuclear power station |
| US12017332B2 (en) | 2020-03-25 | 2024-06-25 | Milwaukee Electric Tool Corporation | Bolt tensioning tool |
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| CN104029007A (en) * | 2014-06-13 | 2014-09-10 | 中科华核电技术研究院有限公司 | Entire bolt stretcher for nuclear reactor pressure vessels and operating process thereof |
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| CN104551640A (en) * | 2014-12-29 | 2015-04-29 | 中国第一重型机械股份公司 | Full-station bolt stretcher |
| CN104551637A (en) * | 2014-12-29 | 2015-04-29 | 中国第一重型机械股份公司 | Screw bolt stretching machine for pressure container |
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| US20130139652A1 (en) * | 2010-04-02 | 2013-06-06 | Didier Declerck | Multiple stud tensioning machine and method for automatically controlling the elongation of a plurality of studs |
| CN101920449A (en) * | 2010-08-10 | 2010-12-22 | 江苏大学 | Auxiliary installation device for hydraulic bolt tensioning jack |
| CN104029007A (en) * | 2014-06-13 | 2014-09-10 | 中科华核电技术研究院有限公司 | Entire bolt stretcher for nuclear reactor pressure vessels and operating process thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735062A (en) * | 2017-04-14 | 2018-11-02 | 江苏核电有限公司 | A kind of reactor coolant pump kingbolt stretching simulator |
| CN106892340A (en) * | 2017-04-27 | 2017-06-27 | 中国核工业第五建设有限公司 | The transhipment of AP1000 nuclear power station main pump kingbolts and installation method |
| CN106892340B (en) * | 2017-04-27 | 2018-06-01 | 中国核工业第五建设有限公司 | The transhipment of AP1000 nuclear power station main pump kingbolts and installation method |
| CN106964976A (en) * | 2017-05-03 | 2017-07-21 | 中国核工业第五建设有限公司 | The main pump measurement installation method of AP1000 nuclear power stations |
| CN106964976B (en) * | 2017-05-03 | 2018-11-09 | 中国核工业第五建设有限公司 | The main pump of AP1000 nuclear power stations measures installation method |
| US12017332B2 (en) | 2020-03-25 | 2024-06-25 | Milwaukee Electric Tool Corporation | Bolt tensioning tool |
| CN111702716A (en) * | 2020-06-28 | 2020-09-25 | 江苏核电有限公司 | Tensile laborsaving device of large-scale horizontal centrifugal pump kingbolt of nuclear power station |
| CN111702716B (en) * | 2020-06-28 | 2024-06-07 | 江苏核电有限公司 | Main bolt stretching labor-saving device of large horizontal centrifugal pump of nuclear power station |
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