CN107332144A - The method that one kind ± 500kV converter power transformers band oil and annex install trailer wagon - Google Patents
The method that one kind ± 500kV converter power transformers band oil and annex install trailer wagon Download PDFInfo
- Publication number
- CN107332144A CN107332144A CN201710476014.4A CN201710476014A CN107332144A CN 107332144 A CN107332144 A CN 107332144A CN 201710476014 A CN201710476014 A CN 201710476014A CN 107332144 A CN107332144 A CN 107332144A
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- China
- Prior art keywords
- jack
- converter power
- insurance
- power transformer
- brace
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The method that one kind ± 500kV converter power transformers band oil and annex install trailer wagon, being placed in converter transformer valve-side sleeve and cooler side, two one group totally four jack is respectively set, the valve side and cooler side of two groups of jack alternating jacking converter power transformer are simultaneously alternately increased the insurance brace on both sides and stamped, until the turnover of enough trailer wagons；The jack and insurance brace for removing converter transformer cooler side and valve side in short-term successively are stamped, two trailer wagons are pulled in into converter power transformer bottom successively, bolt is penetrated to the connecting hole of trailer wagon and converter power transformer, then the insurance brace for recovering to remove is set up at once to stamp and operate jack, recovers jack and insurance brace stamps stress holding state；Then jack jacking and backhaul repeatedly is operated, alternating withdraws from the chock that brace is stamped, until the weight of converter power transformer is fully fallen on two trailer wagons.The present invention can reliably install trailer wagon in the converter power transformer bottom safety for having installed experiment completion.
Description
Technical field
The present invention relates to power construction method and technology field, and in particular to large-scale ± 500kV converter power transformers are being installed
Annex, noted oil, finish electrical test and trailer wagon be installed again after installing converter power transformer BOX-IN fixed part components
Method.
Background technology
In recent years, DC transmission engineering is big with its transmission capacity, and the low feature of line loss applies to more and more widely
In power network.Converter power transformer is the nucleus equipment of current conversion station, its weight weight, and cost is high, is installed and the more same voltage of difficulty in place
The conventional electric power transformer of grade is bigger.By the special arrangement form of current conversion station is limited, converter power transformer is usually in spaciousness
Place is installed, after the completion of experiment, then to be drawn to run location in place.Because converter power transformer volume is big, weight weight, generally use
Method be first be discharged to when converter power transformer is unloaded producer outfit two special trailer wagons on, complete install and experiment after
Draw in place again.But because trailer wagon is equipped with limited amount, part converter power transformer can not directly be discharged to traction when unloading
On dolly, this requires trailer wagon to recycle, be under normal circumstances converter power transformer body without annex, without oil,
Converter power transformer body BOX-IN fixed part components are not installed, trailer wagon are installed during body lighter in weight, to reduce risk.
But consider for the duration, must first install sometimes annex, note it is oily, test, install converter power transformer body BOX-IN and fix
Partial component, could wait until the trailer wagon recycled., need to be by total weight up to more than 420 so installing, after experiment completes
About 800 millimeters of the converter power transformer jack-up of ton, then trailer wagon is arranged on converter power transformer bottom, whole operation process safety
Risk is higher.
The content of the invention
The change of current transformation that experiment is completed can will be installed present invention aims to solve the deficiencies of the prior art, and provides a kind of a kind of
Device, safety roof, which rises to, can install the height of trailer wagon, so as to safely and reliably install the method for trailer wagon.
The purpose of the present invention is achieved through the following technical solutions：
The method that one kind ± 500kV converter power transformers band oil and annex install trailer wagon, method is as follows：
A. strict control converter power transformer body position, makes to use on converter power transformer body bottom plate when converter power transformer is unloaded
Overlapped in the connecting bolt centerline hole on the fixing hole and trailer wagon of fixed traction dolly, it is ensured that subsequently become the change of current
Depressor, which bears down on one, to be risen to after the height for installing trailer wagon, and the link bolt hole of trailer wagon is relative with the fixing hole of converter power transformer
Should；
B., four hydraulic jacks are individually placed to the jack branch pier foundation corresponding with converter power transformer jacking position
On, between jack jacking face and converter power transformer Jacking point, between the steel plate of very heavy top bottom surface and branch pier foundation, pad respectively
One layer of plank；Two jack using converter transformer valve-side sleeve is first groups, with converter transformer cooler side in addition
Two jack are second group；With first group of two jack simultaneously jacking 100mm, during jacking in first group of jack
Order sets two the first steel buttresses respectively for side, uses sleeper and five points of thick planks in real time on the first steel buttress, crisscross
It is barricaded as four smooth insurance braces of well word first to stamp, then stops jacking, first group of jack backhaul, by converter power transformer
Valve side drops to the first insurance brace and stamped；Afterwards with second group of two jack simultaneously jacking 200mm, during jacking
Order sets two the second steel buttresses respectively on the inside of second group of jack, uses sleeper and five points of thick wood in real time on the second buttress
Plate, it is crisscross to be barricaded as four smooth second insurance braces and stamp, then stop jacking, second group of jack backhaul will be changed
Convertor transformer cooler side drops to the second insurance brace and stamped；So replaced with first group of jack and second group of jack
The valve side and cooler side of jacking converter power transformer are simultaneously alternately increased the first insurance brace and stamped and stamp with the second insurance brace, directly
Passed in and out to height enough trailer wagon of the converter power transformer bottom surface apart from trailer wagon walking rails top surface；It is arranged on first group thousand
Four first insurance braces between jin top and second group of jack are stamped to be stamped with four second insurance braces, with first group thousand
Jin top, second group of jack cooperatively form converter power transformer insurance support system；
C. second group of jack of converter transformer cooler side and two close to the jack left and right sides are removed in short-term
Second insurance brace is stamped, and First trailer wagon is pulled in into converter power transformer bottom along converter power transformer y direction, will be led
The link bolt hole for drawing dolly is corresponding with the fixing hole of converter power transformer and penetrate bolt, and recovery two is then set up at once and is torn open
The the second insurance brace removed is stamped, and operates second group of jack, recovers second group of jack and two the second wells of the left and right sides
Word insurance brace stamps stress holding state；
D. first group of jack of converter transformer valve-side and two first close to the jack left and right sides are removed in short-term
Insurance brace is stamped, and second trailer wagon is pulled in into converter power transformer bottom along converter power transformer y direction, will be drawn small
The link bolt hole of car is corresponding with the fixing hole of converter power transformer and penetrates bolt, and two dismountings of recovery are then set up at once
First insurance brace is stamped, and operates first group of jack, and two the first well words for recovering first group of jack and the left and right sides are protected
Dangerous brace stamps stress holding state；
E. first group of jack of jacking, stamps to converter power transformer bottom plate and the first insurance brace and stops jacking after separating,
The chock that the first insurance brace stamps 100 height is withdrawn from, converter power transformer is dropped to remainder by the slow backhaul of jack
First insurance brace of height is stamped；Then second group of jack of jacking, is supported to converter power transformer bottom plate and the second insurance
Wood stops jacking after stamping separation, withdraws from the chock that the second insurance brace stamps 200 height, the slow backhaul of jack will
The second insurance brace that converter power transformer drops to remaining height is stamped；The first insurance brace is so alternately withdrawn to stamp and the
The chock that two insurance braces are stamped, until the weight of converter power transformer is fully fallen on two trailer wagons；Fasten above-mentioned step
The bolt that rapid d is penetrated, withdraws from all sleepers, five points of plates, steel buttress and jack, completes construction.
The whole insurance brace from jack witing of the inventive method stamps the weight of shared converter power transformer, then by
Step alternately landing converter power transformer thoroughly fall to body on trailer wagon, be finally fastenedly connected converter power transformer body bottom plate and
The bolt of trailer wagon, can will install safely and smoothly jack-up, then safely and reliably pacify on the converter power transformer that experiment is completed
Trailer wagon is filled, the time for waiting trailer wagon can be saved, shortens construction man-hour.
Brief description of the drawings
Fig. 1 is the schematic diagram of jacking converter power transformer of the present invention；
Strong point distribution schematic diagram when Fig. 2 is jacking converter power transformer of the present invention；
Fig. 3 is that trailer wagon installs schematic diagram in place.
Embodiment
The method that ± 500kV converter power transformers band oil and annex install trailer wagon, method is as follows：
A. strict control converter power transformer body position, makes to use on converter power transformer body bottom plate when converter power transformer is unloaded
Overlapped in the connecting bolt centerline hole on the fixing hole and trailer wagon of fixed traction dolly, the purpose for the arrangement is that protecting
Card converter power transformer jacking can be extremely installed after the height of trailer wagon, can make the link bolt hole and change of current transformation of trailer wagon
The fixing hole of device is corresponding；
B. as shown in Figure 1 and Figure 2, four 200 tons of hydraulic jacks 1 are individually placed to and the jacking position phase of converter power transformer 2
On corresponding jack branch pier foundation 8.In order to increase frictional force, it is necessary to jack jacking face and converter power transformer Jacking point it
Between, between the steel plate of very heavy top bottom surface and branch pier foundation, one layer of veneer of pad (about 2-5 millimeters of thickness) respectively.With the change of current
Two jack of transformer value side bushing are first group, and two other jack using converter transformer cooler side is second
Group；With first group of two jack while jacking 100mm, order sets two respectively on the inside of first group of jack during jacking
Individual first steel buttress 3, in real time with sleeper (the long wide 200* of 800* are high 150 millimeters) and five points of thick planks on the first steel buttress
(the long wide 220* of 800* are high 50 millimeters), it is crisscross to be barricaded as four smooth first insurance braces and stamp 4, then stop jacking,
First group of jack backhaul, drops to the first insurance brace by converter transformer valve-side and stamps on 4；Afterwards with second group two thousand
Jin pushes up jacking 200mm simultaneously, and order sets two the second steel buttresses 5 respectively on the inside of second group of jack during jacking,
It is crisscross to be barricaded as four the second smooth insurances in real time with sleeper and five points of thick planks (being commonly called as five points of plates) on second buttress
Brace stamps 6, then stops jacking, and converter transformer cooler side is dropped to the second insurance branch by second group of jack backhaul
Gallows timber is stamped on 6；So replace the valve side and cooler side of jacking converter power transformer with first group of jack and second group of jack
And alternately increase the first insurance brace stamp 4 and second insurance brace stamp 6, until converter power transformer bottom surface is apart from trailer wagon
The enough trailer wagon turnover of height of walking rails top surface；It is arranged on four between first group of jack and second group of jack
First insurance brace stamp 4 and four second insurance braces stamp 6, cooperatively formed with first group of jack, second group of jack
Converter power transformer insures support system.
According to converter power transformer outward appearance and base plate size, converter power transformer weight, Ground arrangement, trailer wagon installation site
Etc. parameter, the present invention is provided with 8 insurance braces and stamped, and coordinates with 4 hydraulic jacks of jacking converter power transformer, is formed altogether
The jacking of 12 point positions of meter and insurance support system, it is ensured that the process of jacking converter power transformer is steady, safe and reliable.In view of changing
The special vertex position of convertor transformer device body is higher (about 1300mm from the ground), set up insurance brace stamp with wood amount it is larger, in order to
Reduce labor intensity, specially making high 800mm, load-bearing reaches 200 tons of special-purpose steel buttress after testing, as the first steel buttress 3,
Second steel buttress 5, jack branch pier foundation 8, during converter power transformer adjustment height, with sleeper and five points of thick planks
Composition steel buttress insurance brace is coordinated to stamp, the riding position of padded jack, it is ensured that jack can in the range of impulse stroke
By work；
C. second group of jack of converter transformer cooler side and two close to the jack left and right sides are removed in short-term
Second insurance brace stamps 6, and First trailer wagon 7a is pulled in into converter power transformer bottom along converter power transformer y direction, will
The link bolt hole of trailer wagon is corresponding with the fixing hole of converter power transformer and penetrates bolt, and recovery two is then set up at once
The the second insurance brace removed is stamped, and operates second group of jack, recover second group of jack and the left and right sides two second
Well word insurance brace stamps stress holding state；
D. first group of jack of converter transformer valve-side and two first close to the jack left and right sides are removed in short-term
Insurance brace stamps 4, and second trailer wagon 7b is pulled in into converter power transformer bottom along converter power transformer y direction, will be drawn
The link bolt hole of dolly is corresponding with the fixing hole of converter power transformer and penetrates bolt, and two dismountings of recovery are then set up at once
The first insurance brace stamp, operate first group of jack, recover two the first well words of first group of jack and the left and right sides
Insurance brace stamps stress holding state；
Because trailer wagon width and converter power transformer bottom are same wide, the distance between the jack summit of both sides, which is less than, draws small
The width of car, therefore trailer wagon must pull converter power transformer bottom from converter power transformer y direction；
E. first group of jack of jacking, to converter power transformer bottom plate and the first insurance brace stamp 4 separate after stop jacking,
The chock that the first insurance brace stamps 100 height is withdrawn from, converter power transformer is dropped to remainder by the slow backhaul of jack
First insurance brace of height is stamped；Then second group of jack of jacking, is supported to converter power transformer bottom plate and the second insurance
Wood stops jacking after stamping 6 separation, withdraws from the chock that the second insurance brace stamps 200 height, the slow backhaul of jack will
The second insurance brace that converter power transformer drops to remaining height is stamped；The first insurance brace is so alternately withdrawn to stamp and the
Two chocks stamped of insurance braces, until the weight of converter power transformer is fully fallen on two trailer wagons, as shown in Figure 3；
The bolts that penetrate of fastening above-mentioned steps d, withdraw from all sleepers, five points of plates, steel buttress and jack, complete construction.
Claims (1)
1. the method that one kind ± 500kV converter power transformers band oil and annex install trailer wagon, it is characterised in that method is as follows：
A. strict control converter power transformer body position when converter power transformer is unloaded, makes to be used for admittedly on converter power transformer body bottom plate
The connecting bolt centerline hole determined on the fixing hole and trailer wagon of trailer wagon overlaps, it is ensured that follow-up by converter power transformer
After jacking to the height for installing trailer wagon, the link bolt hole of trailer wagon is corresponding with the fixing hole of converter power transformer；
B., four hydraulic jacks (1) are individually placed to the jack buttress base corresponding with converter power transformer (2) jacking position
On plinth (8), between jack jacking face and converter power transformer Jacking point, between the steel plate of very heavy top bottom surface and branch pier foundation,
One layer of plank of pad respectively；Two jack using converter transformer valve-side sleeve is first groups, with converter transformer cooler side
Two other jack be second group；With first group of two jack simultaneously jacking 100mm, at first group thousand during jacking
Order sets two the first steel buttresses (3) respectively for jin top inner side, uses sleeper and five points of thick planks in real time on the first steel buttress,
It is crisscross to be barricaded as the four smooth insurance of well words first braces and stamp (4), then stop jacking, first group of jack backhaul,
Converter transformer valve-side is dropped into the first insurance brace to stamp on (4)；Afterwards with the jacking simultaneously of second group of two jack
200mm, order sets two the second steel buttresses (5) respectively on the inside of second group of jack during jacking, on the second buttress
Use sleeper and five points of thick planks in real time, it is crisscross to be barricaded as four smooth second insurance braces and stamp (6), then stop top
Rise, converter transformer cooler side is dropped to the second insurance brace and stamped on (6) by second group of jack backhaul；So use the
The first insurance is simultaneously alternately increased in the valve side and cooler side of one group of jack and second group of jack alternating jacking converter power transformer
Brace stamps (4) and the second insurance brace stamps (6), until converter power transformer bottom surface is apart from trailer wagon walking rails top surface
Height trailer wagon turnover enough；It is arranged on four first insurance braces between first group of jack and second group of jack
Stamp (4) and four second insurance braces stamp (6), converter power transformer is cooperatively formed with first group of jack, second group of jack
Insure support system；
C. second group of jack of converter transformer cooler side and two second close to the jack left and right sides are removed in short-term
Insurance brace stamps (6), and First trailer wagon (7a) is pulled in into converter power transformer bottom along converter power transformer y direction, will
The link bolt hole of trailer wagon is corresponding with the fixing hole of converter power transformer and penetrates bolt, and recovery two is then set up at once
The the second insurance brace removed is stamped, and operates second group of jack, recover second group of jack and the left and right sides two second
Well word insurance brace stamps stress holding state；
D. first group of jack of converter transformer valve-side and two first insurances close to the jack left and right sides are removed in short-term
Brace stamps (4), and second trailer wagon (7b) is pulled in into converter power transformer bottom along converter power transformer y direction, will be drawn
The link bolt hole of dolly is corresponding with the fixing hole of converter power transformer and penetrates bolt, and two dismountings of recovery are then set up at once
The first insurance brace stamp, operate first group of jack, recover two the first well words of first group of jack and the left and right sides
Insurance brace stamps stress holding state；
E. first group of jack of jacking, stamps after (4) are separated with the first insurance brace to converter power transformer bottom plate and stops jacking, remove
Go out the chock that the first insurance brace stamps 100 height, converter power transformer is dropped to remaining height by the slow backhaul of jack
First insurance brace of degree is stamped；Then second group of jack of jacking, brace is insured to converter power transformer bottom plate and second
Stop jacking after stamping (6) separation, withdraw from the chock that the second insurance brace stamps 200 height, the slow backhaul of jack will
The second insurance brace that converter power transformer drops to remaining height is stamped；The first insurance brace is so alternately withdrawn to stamp and the
The chock that two insurance braces are stamped, until the weight of converter power transformer is fully fallen on two trailer wagons；Fasten above-mentioned step
The bolt that rapid d is penetrated, withdraws from all sleepers, five points of plates, steel buttress and jack, completes construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476014.4A CN107332144B (en) | 2017-06-21 | 2017-06-21 | The method of one kind ± 500kV converter power transformer band oil and attachment installation trailer wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476014.4A CN107332144B (en) | 2017-06-21 | 2017-06-21 | The method of one kind ± 500kV converter power transformer band oil and attachment installation trailer wagon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107332144A true CN107332144A (en) | 2017-11-07 |
| CN107332144B CN107332144B (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710476014.4A Active CN107332144B (en) | 2017-06-21 | 2017-06-21 | The method of one kind ± 500kV converter power transformer band oil and attachment installation trailer wagon |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038055A (en) * | 2020-08-28 | 2020-12-04 | 胡刚毅 | Extra-high voltage converter transformer |
| CN113775860A (en) * | 2021-08-06 | 2021-12-10 | 上海二十冶建设有限公司 | Mounting method of steam turbine condenser |
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| JP2002291116A (en) * | 2001-03-27 | 2002-10-04 | Matsushita Electric Works Ltd | Channel base and floor structure fitted to it |
| JP2007045591A (en) * | 2005-08-11 | 2007-02-22 | Ishikawajima Harima Heavy Ind Co Ltd | Supporting frame |
| CN203529884U (en) * | 2013-10-14 | 2014-04-09 | 中铁十九局集团有限公司 | Overall transshipment device for power supply transformer of overhead line system |
| CN104143423A (en) * | 2013-11-18 | 2014-11-12 | 国家电网公司 | Unloading and locating method for ultra-high-voltage transformer |
| CN104276527A (en) * | 2014-10-12 | 2015-01-14 | 上海中远物流重大件运输有限公司 | Tower equipment hoisting device and using method thereof |
| US20170112014A1 (en) * | 2015-10-19 | 2017-04-20 | San Diego Gas & Electric company c/o Sempra Energy | Electrical service interface system |
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2017
- 2017-06-21 CN CN201710476014.4A patent/CN107332144B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002291116A (en) * | 2001-03-27 | 2002-10-04 | Matsushita Electric Works Ltd | Channel base and floor structure fitted to it |
| JP2007045591A (en) * | 2005-08-11 | 2007-02-22 | Ishikawajima Harima Heavy Ind Co Ltd | Supporting frame |
| CN203529884U (en) * | 2013-10-14 | 2014-04-09 | 中铁十九局集团有限公司 | Overall transshipment device for power supply transformer of overhead line system |
| CN104143423A (en) * | 2013-11-18 | 2014-11-12 | 国家电网公司 | Unloading and locating method for ultra-high-voltage transformer |
| CN104276527A (en) * | 2014-10-12 | 2015-01-14 | 上海中远物流重大件运输有限公司 | Tower equipment hoisting device and using method thereof |
| US20170112014A1 (en) * | 2015-10-19 | 2017-04-20 | San Diego Gas & Electric company c/o Sempra Energy | Electrical service interface system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038055A (en) * | 2020-08-28 | 2020-12-04 | 胡刚毅 | Extra-high voltage converter transformer |
| CN112038055B (en) * | 2020-08-28 | 2021-12-24 | 山东凯莱电气设备有限公司 | Extra-high voltage converter transformer |
| CN113775860A (en) * | 2021-08-06 | 2021-12-10 | 上海二十冶建设有限公司 | Mounting method of steam turbine condenser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107332144B (en) | 2019-03-19 |
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