CN100509607C - Method for quickly changing large-size steel wire of traveling crane - Google Patents
Method for quickly changing large-size steel wire of traveling crane Download PDFInfo
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- CN100509607C CN100509607C CNB200510110494XA CN200510110494A CN100509607C CN 100509607 C CN100509607 C CN 100509607C CN B200510110494X A CNB200510110494X A CN B200510110494XA CN 200510110494 A CN200510110494 A CN 200510110494A CN 100509607 C CN100509607 C CN 100509607C
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Abstract
The invention relates to a method for changing steel wire of large vehicle, wherein it comprises that: removing old steel wire, welding new and old wires, putting down the old steel wire, coiling new steel wire. The invention can avoid leading wire, to improve efficiency.
Description
Technical field
The invention belongs to the steel rope replacing method technical field of large-scale driving.
Background technology
The steel rope replacing of large-scale driving in common construction technology, all is earlier old steel rope to be put down, utilize little steel rope to connect, and then little steel rope and new steel rope tied up roll, at last new steel rope is progressively drawn up along little steel rope, finish the replacing of steel rope.
But this kind method needs a large amount of time, and the master file steel rope replacing of driving a vehicle with certain 440t of steel mill is an example, if use the method, generally needs 12 people to utilize 8-12 hour time to finish.For upkeep operation, the time is oversize, the requirement of the time control of out of reach strictness, have a strong impact on the requirement of job scheduling, and man efficiency is not high, is head it off, we have researched and developed the new steel rope replacing technology of a cover, to satisfy the needs of maintenance construction.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of method of quickly changing large-size steel wire of traveling crane is provided.
The method of quickly changing large-size steel wire of traveling crane of the present invention, its step is as follows: remove old steel rope earlier, then new and old steel rope is welded, at last old steel rope is put down, new wire rope roll gets on to finish the installation of new steel rope.
Removing the used concrete grammar of old steel rope is: hang a pair of steel rope with auxiliary hook, and utilize 4 shackles to hang the main hook portal frame, the dismounting master file is spacing, tear 4 bearing pins of steel rope fixed end bracket on the portal frame movable pulley behind master file decline 200～300mm open, again with 4 long rope made of hemp tractions, 4 steel ropes in general who has surrendered termination are moved ground under the master file, cut off the steel rope on the bracket.
The used concrete steps of the welding of new and old steel rope are: the joint of new and old steel rope is done preweld treatment, weld then, after joint bevel is filled up, having welded, beat the wireline adapter position immediately and the steel rope external diameter is consistent.
The detailed process that last new steel rope is installed is: master file is dropped to stop when having only 2～4 circles on the reel, steel rope personality card and cucurbit under the reel are hung, remove steel rope pressing plate on the reel then, fag end is transferred, with the rope made of hemp fag end is held, the ground staff holds the rope made of hemp again, and master winch rises, old rope is put down, get on stylish wire rope roll.
Beneficial effect of the present invention:
The present invention utilizes the method for the interim butt joint of new and old steel rope, cancelled the step that adopts messenger in the conventional steel rope replacing method, old steel rope is directly in the process of transferring, just new rope belt can be got on, greatly reduce the intensity of work, can finish the work of steel rope replacing fast and efficiently.The present invention will need the work capacity of 3 little operations of 12 personal work 8-12 originally, merging into an operation carries out, the while the number of working processes reduces to 8 people 4-6 hours and just can finish, reduced the cost of operation, improve the worker and made efficient, can satisfy simultaneously the timing node requirement in upkeep operation again, become novel a, construction technology efficiently, in the large-scale industry that needs lifting, should be widely promoted.
Description of drawings
Fig. 1 is that new and old steel rope weld bond is handled scheme drawing.
Fig. 2 is the steel rope replacing scheme drawing.
The specific embodiment
Utilize method of the present invention that the steel rope of the 450t driving of big section steel works is changed, concrete method of operation be described in conjunction with Fig. 1 and Fig. 2:
One, the dismounting of old steel rope
1, with 80t auxiliary hook 2, hangs a pair of ￠ 50mm*8000 steel rope, and utilize the shackle of 4 16t, hang main hook portal frame 7, remove master file spacing 1;
2, the master file 8 200～300mm that descends, after tear 4 bearing pins of steel rope fixed end bracket on the portal frame movable pulley open, the long rope made of hemp with 4 ￠ 14mm*15000 draws again, 4 steel ropes in general who has surrendered termination are moved ground under the master file, cut off the steel rope on the bracket.
Two, new and old steel rope welding
1, preweld treatment
Steel rope at first should be the excision of the head sections of steel rope when connecting, because this section may be in installation process, is squeezed or beats, and causes the loosening or distortion of steel rope head, can cause influence of low quality to the welding of steel rope,
Secondly should in the 300mm scope of welding, use oxy-acetylene flame and add the blanching burning, grease in the steel rope is cleared up, can guarantee that like this steel rope removes oil contamination when welding process, and can suitably reduce the degree of hardening of steel rope steel wire, guarantee that the steel rope welded joint is not fractureed in the replacing process.Before the welding, the steel rope of welding must be soaked, cleaned 15 minutes with acetone simultaneously, be used to clear up impurity such as the greasy dirt of welded-joint and oxidizing substance, guarantee the welded joint of steel rope effectively.
2, weld bond is handled
As shown in Figure 1, roll tightly with rolling hoop part 2, unclamp steel rope (totally 6 strands), again the single steel wire of new steel rope spare 1 with old steel rope spare 3 is blended together, tie admittedly, can weld with thin wire at 300mm place, the termination of new and old steel rope.
3, welding
The welding material of wireline adapter adopts weldability good, and the cooresponding J50 welding wire of intensity and steel rope begins to carry out fusion at the wireline adapter position with brazing torch then, treat that the molten bath forms the back and adds welding wire, simultaneously, slowly rotate steel rope, until joint bevel is filled up.
4, postweld treatment
After having welded, beaing the wireline adapter position with hand hammer immediately can be consistent with the steel rope external diameter, in case cause screens in the replacing process, can suitably increase the metal compaction of welded joint, increases the tensile strength of steel rope.
After the process of whole operation finished, this moment, the weld bond place can't adopt water-cooled or pressurized air chilling, in order to avoid cause the brittle failure in the steel rope replacing process, must allow the steel rope natural cooling, can change operation.
Three, new steel rope is installed
1, master file is dropped to parking when having only 3 circles on the reel;
2, steel rope personality card under the reel and 1t cucurbit are hung, remove steel rope pressing plate on the reel then, fag end 6 is transferred, with the rope made of hemp fag end is held, the ground staff holds the rope made of hemp;
3, master winch rises, and old rope is put down, and new wire rope roll 5 slowly discharges, and new wire rope roll is got on.
4, new steel rope 4 in place after, the termination about the 300mm that welded is cut off, fix with pressing plate.
Claims (4)
1, a kind of method of quickly changing large-size steel wire of traveling crane, its step is as follows: remove old steel rope earlier, then new and old steel rope is welded, carry out the installation of new steel rope at last, being about to old steel rope puts down, new wire rope roll gets on, wherein, the concrete grammar of removing old steel rope is: hang a pair of steel rope with auxiliary hook, and utilize 4 shackles to hang the main hook portal frame, it is spacing to remove master file, tear 4 bearing pins of steel rope fixed end bracket on the portal frame movable pulley behind master file decline 200～300mm open, with 4 long rope made of hemp tractions, 4 steel ropes in general who has surrendered termination are moved ground under the master file, cut off the steel rope on the bracket again.
2, the method for quickly changing large-size steel wire of traveling crane as claimed in claim 1, it is characterized in that, the used concrete steps of the welding of new and old steel rope are: the joint of new and old steel rope is done preweld treatment, weld bond processing, weld then, until joint bevel is filled up, after having welded, beat the wireline adapter position immediately and the steel rope external diameter is consistent.
3, the method for quickly changing large-size steel wire of traveling crane as claimed in claim 2, it is characterized in that preweld treatment is meant: steel rope at first excises the head sections of steel rope when connecting, secondly in the 300mm scope of welding, add blanching and burn, grease in the steel rope is cleared up.
4, the method for quickly changing large-size steel wire of traveling crane as claimed in claim 1, it is characterized in that, the detailed process that new steel rope is installed is: master file is dropped to stop when having only 2～4 circles on the reel, steel rope personality card and cucurbit under the reel are hung, remove steel rope pressing plate on the reel then, fag end is transferred, with the rope made of hemp fag end is held, the ground staff holds the rope made of hemp again, and master winch rises, old rope is put down, get on stylish wire rope roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510110494XA CN100509607C (en) | 2005-11-17 | 2005-11-17 | Method for quickly changing large-size steel wire of traveling crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510110494XA CN100509607C (en) | 2005-11-17 | 2005-11-17 | Method for quickly changing large-size steel wire of traveling crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1966385A CN1966385A (en) | 2007-05-23 |
| CN100509607C true CN100509607C (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200510110494XA Active CN100509607C (en) | 2005-11-17 | 2005-11-17 | Method for quickly changing large-size steel wire of traveling crane |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700858B (en) * | 2008-12-29 | 2011-05-18 | 攀枝花钢城集团瑞钢工业有限公司 | Wound steel rope replacing method |
| CN101712443B (en) * | 2009-12-22 | 2012-07-04 | 舞阳钢铁有限责任公司 | Quick replacement method of steel cables of crane |
| CN101798045B (en) * | 2010-04-12 | 2011-10-05 | 山东煤安矿山提升设备安装有限公司 | Fast exchanging process for tail rope |
| CN101898691B (en) * | 2010-07-15 | 2013-09-11 | 中国神华能源股份有限公司 | Method for replacing pitching steel wire ropes of ship loader |
| CN102294585A (en) * | 2011-08-23 | 2011-12-28 | 上海宏钢电站设备铸锻有限公司 | Travelling crane steel cable quickly replacing method |
| CN103569865A (en) * | 2012-08-02 | 2014-02-12 | 西林钢铁集团有限公司 | Method for synchronously and quickly replacing plurality of steel wire ropes of gantry crane of ladle crane |
| CN103274323B (en) * | 2013-06-13 | 2016-05-11 | 济钢集团有限公司 | A kind of crane pulley group and steel wire rope quick-replaceable method |
| CN103588092B (en) * | 2013-11-28 | 2015-12-09 | 莱芜钢铁集团有限公司 | A kind of method adopting auxiliary device more change steel rope |
| CN103754712B (en) * | 2013-12-30 | 2015-12-30 | 攀钢集团工程技术有限公司 | A kind of replacing is wound in the device and method of steel cable on two-way lifting drum |
| CN104828696B (en) * | 2015-03-27 | 2017-03-01 | 山东钢铁股份有限公司 | A kind of method for running block in bridge crane and steel rope replacing |
| CN105697655A (en) * | 2016-03-15 | 2016-06-22 | 重庆钢铁(集团)有限责任公司 | Steel wire rope replacement method for crane |
| CN112441517B (en) * | 2019-08-30 | 2022-08-12 | 上海梅山钢铁股份有限公司 | Main steel wire rope replacing device for bridge type grab bucket ship unloader |
| CN110886117A (en) * | 2019-11-06 | 2020-03-17 | 晋城蓝焰煤业股份有限公司 | Steel wire rope splicing method |
| CN111453530B (en) * | 2020-03-27 | 2021-11-30 | 青岛港国际股份有限公司 | Lifting steel wire rope replacing device and control method thereof |
| CN111960184B (en) * | 2020-08-18 | 2022-04-05 | 马鞍山钢铁股份有限公司 | Replacement structure and replacement method for single steel wire rope of metallurgical crane |
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2005
- 2005-11-17 CN CNB200510110494XA patent/CN100509607C/en active Active
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| Publication number | Publication date |
|---|---|
| CN1966385A (en) | 2007-05-23 |
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