CN101712443B - Quick replacement method of steel cables of crane - Google Patents
Quick replacement method of steel cables of crane Download PDFInfo
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- CN101712443B CN101712443B CN 200910311963 CN200910311963A CN101712443B CN 101712443 B CN101712443 B CN 101712443B CN 200910311963 CN200910311963 CN 200910311963 CN 200910311963 A CN200910311963 A CN 200910311963A CN 101712443 B CN101712443 B CN 101712443B
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- steel rope
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Abstract
The invention discloses a quick replacement method of steel cables of a crane, which is used for replacing more than one steel cable wound on a movable pulley of gib head of the crane. The method comprises the following steps of: starting a reel of a crane needing to be replaced steel cables to reel off; lowering the gib head of the crane to a position being suitable for a welding operation and keeping the gib head of the crane still; cutting off an old steel cable at the outer most side of steel cables on movable pulley sets on the gib head by using an electric welding and welding the cable head of a new steel cable with the cable head of the cut off part of the old steel cable retained on the movable pulley sets; starting the reel of the crane to reel up so as to wind all the old steel cables welded together with the new steel cable onto the reel, and meanwhile, driving the new steel cable by the old steel cables to sequentially pass through pulley plates of each pulley set; and respectively fixing cable heads at both ends of the new steel cable with an appropriate length on corresponding positions of the reel of the crane. The method utilizes mechanical power to draw the old steel cables to drive the new steel cable so as to pass through the movable pulley plates, saves time and labor and is safe.
Description
Technical field
The present invention relates to the replacing method of crane rope.
Background technology
Existing crane in bridge type is changed gib head and steel rope is all to remove old steel rope on assembly pulley and the reel; Utilize the rope made of hemp to pass the pulley sheet to new steel rope for one group one group then; Move reel at last to and reach the more purpose of change steel rope, higher and steel rope replacing length and weight are bigger because the reel of crane in bridge type is apart from ground, and the work difficulty of disassemble old rope, wearing new steel rope and dismounting fag end is bigger; Adopt existing method to change and choose many, use duration, also dangerous.
Summary of the invention
The object of the present invention is to provide a kind of safely, the quick replacement method of steel cables of crane of the human-saving that saves time.
The technical scheme of first kind of replacing method of the present invention is: a kind of quick replacement method of steel cables of crane; Be used for the steel rope more than that installs around on the hoisting crane gib head movable pulley is changed; The two ends of each the root steel rope on the movable pulley all are fixed on the reel of hoisting crane; This method may further comprise the steps
Rope is put in the startup more reel of the hoisting crane of change steel rope; Keep motionless after the hoisting crane gib head being lowered to the position that is fit to welding operation; One of them outermost old steel rope of each root steel rope on the running block on the disconnected gib head of electricity consumption welding then, and with the fag end and the fag end weld together that cuts off the place of staying the old steel rope on the running block of new steel rope;
Start hoist roller and receive rope, will all be wound on the old steel rope of new steel rope weld together on the reel, old steel rope drives the pulley sheet that new steel rope passes each running block successively simultaneously;
New steel rope and old steel rope are broken off the institute's steel rope of haveing been friends in the past on taking down a crane near weld or weld;
With the fag end at new steel rope two ends be separately fixed at the correspondence position of hoist roller.
Said method is when old steel rope drives new steel rope and passes the pulley sheet of each running block successively; Hoisting crane was shut down when hoist roller need be with the fag end band coiling of new steel rope or near reel; Then the part near its fag end weld of new steel rope is hung near reel; Make the fag end of new steel rope be constrained on proper height and can not start hoist roller then to put rope, the old steel rope that twines on the reel is all bled off and removes with old rope landing.
Said method was changed the gib head of hoisting crane before the fag end weld together with the fag end of new steel rope and the place of cutting off that stays the old steel rope on the running block; The process of changing gib head does; The old steel rope of both sides on each movable pulley sheet of the disconnected old gib head of electricity consumption welding makes old steel rope be separated into the old length of cable on each corresponding movable pulley sheet and still is suspended in the old length of cable of cylinder on the hoisting crane; Penetrate again on each pulley sheet of new gib head installing around after the old length of cable of each root of the movable pulley sheet of each Geju City gib head takes off; Except an end fag end of one of them outermost old length of cable; Each fag end weld together of the old length of cable that keeps on the cooresponding cylinder of fag end and position with remaining each old length of cable is accomplished the replacing of gib head.
The technical scheme of another kind of quick replacement method of steel cables of crane of the present invention; Be used for the steel rope more than that installs around on the hoisting crane gib head movable pulley is changed; One end of each the root steel rope on the movable pulley is that the traction end, the other end that are fixed on the reel of hoisting crane are the fixed end that is fixed on the hoisting crane fixed part; This method may further comprise the steps
Rope is put in the startup more reel of the hoisting crane of change steel rope; Keep motionless after the hoisting crane gib head being lowered to the position that is fit to welding operation; The outermost old steel rope near its fixed end of the old steel rope of each root on the running block on the disconnected gib head of electricity consumption welding then, and with the fag end and the fag end weld together that cuts off the place of staying the old steel rope on the running block of new steel rope;
Start hoist roller and receive rope, will all be wound on the old steel rope of new steel rope weld together on the reel, old steel rope drives the pulley sheet that new steel rope passes each running block successively simultaneously;
New steel rope and old steel rope are broken off the institute's steel rope of haveing been friends in the past on taking down a crane near weld or weld;
With the fag end at new steel rope two ends in be fixed on the fag end of open circuited that end of old steel rope and become new traction end on the reel, the other end of new steel rope is fixed on and becomes new fixed end on the hoisting crane fixed part.
Above-mentioned second method is when old steel rope drives new steel rope and passes the pulley sheet of each running block successively; Hoisting crane was shut down when hoist roller need be with the fag end band coiling of new steel rope or near reel; Then the part near its fag end weld of new steel rope is hung near reel; Make the fag end of new steel rope be constrained on proper height and can not start hoist roller then to put rope, the old steel rope that twines on the reel is all bled off and removes with old rope landing.
Above-mentioned second method was changed the gib head of hoisting crane before the fag end weld together with the fag end of new steel rope and the place of cutting off that stays the old steel rope on the running block; The process of changing gib head does; The old steel rope of both sides on each movable pulley sheet of the disconnected old gib head of electricity consumption welding makes old steel rope be separated into the old length of cable on each corresponding movable pulley sheet and still is suspended in the old length of cable of cylinder on the hoisting crane; Penetrate again on each pulley sheet of new gib head installing around after the old length of cable of each root of the movable pulley sheet of each Geju City gib head takes off; Except an end fag end of one of them outermost old length of cable; Each fag end weld together of the old length of cable that keeps on the cooresponding cylinder of fag end and position with remaining each old length of cable is accomplished the replacing of gib head.
The present invention is directed to existing steel rope replacing used tear open earlier the method for afterwards changing existing up and down repeatedly, pass that the rope difficulty is prone to make mistakes, wastes time and energy, unsafe problem; Utilize mechanical work to draw old steel rope and drive new steel wire penetrating movable pulley sheet, saved new steel rope and worn the spent manual work of movable pulley.Old steel rope of the present invention in addition can with new rope hoisting to approaching position, former steel rope fixed position; Saved in the former method and need pass the spent manual work of rope back hoisting cable; And avoided the potential safety hazard of bringing because of aloft work, thereby reached the steel rope replacing not only laborsaving but also safe goal of the invention that not only saved time.
Description of drawings
Fig. 1 a～Fig. 1 d is the work scheme drawing of the embodiment of the invention 1;
Fig. 2 a～Fig. 2 b is the work scheme drawing of the embodiment of the invention 2;
Fig. 3 is the work scheme drawing of the embodiment of the invention 3.
The specific embodiment
Shown in Fig. 1 a～Fig. 1 d, embodiments of the invention 1 are a kind of steel rope replacing methods of crane in bridge type; Installed around steel cable on each running block of this crane in bridge type, the two ends of steel rope all are fixed on the reel, are traction end; This method comprises following process
Like Fig. 1 a; At first carry out and change preceding dead work; Start hoist roller 5 and put rope, with need more the gib head 1 of the hoisting crane of change steel rope keep motionless after dropping to ground, if gib head gentlier can be welded on the steel plate fixing with the electric weld handle gib head; Running block 2 one of them outermost old steel rope 3 on the disconnected gib head 1 of electricity consumption welding then; 6 is fixed pulley among Fig. 1 a, and new steel rope 4 is emitted certain-length from cheese, and with the fag end and the fag end weld together that cuts off place 7 of staying the old steel rope on the running block 2 of new steel rope 4.
Like Fig. 1 b; Start hoist roller 5 and receive rope; To all be wound on the old steel rope of new steel rope weld together on the reel 5; Old steel rope drives the pulley sheet that new steel rope passes each running block successively in winding process, until the fag end of new steel rope be with coiling 5 or during near reel hoisting crane shut down.
Like Fig. 1 c; With the rope made of hemp 8 part near its fag end weld 7 of new steel rope 4 is hung near reel 5; Make the fag end of new steel rope 4 be constrained on proper height and can not start hoist roller 5 then to put rope, the old steel rope 3 that twines on the reel is all bled off and removes with old rope landing.
Like Fig. 1 d, be pressed in the rope made of hemp 8 on the reel 5, put new steel rope 4 well length; Start hoisting crane with the rope made of hemp 8 following new steel rope headband coiling 5; Remove the rope made of hemp 8, the new steel wire rope head at new steel rope 4 two ends is fixed on the reel 5 with pressing plate respectively, steel rope is promptly changed end.
Shown in Fig. 2 a～Fig. 2 b, embodiments of the invention 2 are replacing methods of a kind of gib head and steel rope of crane in bridge type, may further comprise the steps
Shown in Fig. 2 a, place new gib head 11 on the ground, start hoisting crane then and put the rope off the hook, old gib head 10 is fallen near new gib head 11 and keeps motionless; Cut off the old steel rope 13 of both sides on each movable pulley sheet 12 of old gib head with electric welding from A, make old steel rope be separated into the old length of cable 131 on each corresponding movable pulley sheet 12 and still be suspended in the old length of cable 132 of cylinder on the hoisting crane.
Shown in Fig. 2 b; Penetrate again on each pulley sheet 14 of new gib head 11 installing around after the old length of cable 131 of each root of the movable pulley sheet 12 of each Geju City gib head 10 takes off; Except an end fag end 133 of one of them outermost old length of cable; Each fag end weld together of the old length of cable 132 that keeps on the cooresponding cylinder of fag end and position with remaining each old length of cable 131 is accomplished the replacing of new gib head.
Gib head repeats the rope process of changing described in embodiment 1 after changing and accomplishing, and accomplishes the replacing of the new steel rope of steel rope.Sever not that fag end 132 of welding of back, exactly can be for the fag end welding of direct and new steel rope 15 when renewing steel rope.
As shown in Figure 3, embodiments of the invention 3 are used for a kind of steel rope with two running block crane in bridge type of plate hook 20 is changed, and have installed around two steel ropes on each running block, therefore have four steel ropes.Mark is that the wherein old steel rope 22 with left side movable pulley 21 is an example among the figure; One end of this steel rope 22 is fixed on the equilibrium arm 23 through link becomes fixed end, and the other end is walked around cooresponding fixed pulley, movable pulley 21 backs and is being wrapped on the reel 24 and is being fixed on the cylinder 24 and becomes traction end; The set-up mode of all the other steel ropes is identical, introduces no longer one by one.
When changing; At first fall plate hook 20, keep flat on the ground, then the disconnected ground of dropping on of the four fixing steel rope electricity consumption weldings on the equilibrium arm 23; Corresponding one by one and put neat the fag end of ready new steel rope and the old steel rope that lands; 4 fag ends of new steel rope and 4 fag end solder togethers of old steel rope, be example with steel rope 22, be shown as steel rope 22 and cooresponding new steel rope 25 weld togethers in the drawings.The replacing and the embodiment of each rope are basic identical in the following process; Play the new cooresponding pulley of steel wire penetrating of hook handle and be promoted to reel; Be fixed on four fag ends of new steel rope on the reel or near the reel with rope clip; Cut off separation with the new and old rope of electric weld handle from weld bond then, off the hook removes the old rope on the reel then, and being fixed to the fag end of the new steel rope at the place of severing becomes traction end on the reel.
Be with the difference of embodiment 1; Two ends one end of each the root steel rope among the embodiment 3 is a traction end; The other end is a fixed end, so the other end away from traction end of the new steel rope of each root is emitted remaining four fag ends after the appropriate length among the embodiment 3, is not to be fixed on the reel; But these four fag ends are become fixed end through the correspondence position that suspension ring are fixed on equilibrium arm, accomplish new steel rope replacing.
The foregoing description 1 also can the replacing of the new gib head of enforcement earlier before more renewing rope with embodiment 3.
Claims (6)
1. quick replacement method of steel cables of crane; Be used for the steel rope more than that installs around on the hoisting crane gib head movable pulley is changed; The two ends of each the root steel rope on the movable pulley all are fixed on the reel of hoisting crane, it is characterized in that: this method may further comprise the steps
Rope is put in the startup more reel of the hoisting crane of change steel rope; Keep motionless after the hoisting crane gib head being lowered to the position that is fit to welding operation; Then on the disconnected gib head of electricity consumption welding on the running block on one of them outermost movable pulley sheet around the part of drawing to reel of old steel rope to be changed; Old steel rope is told two fag ends through cutting off; The part that fag end connected is stayed on the running block, and the part that another fag end connected is stayed on the reel, and with the fag end of new steel rope and the fag end weld together that cuts off the place of staying the old steel rope on the running block;
Start hoist roller and receive rope, will all be wound on the old steel rope of new steel rope weld together on the reel, old steel rope drives the pulley sheet that new steel rope passes each running block successively simultaneously;
New steel rope and old steel rope are broken off the institute's steel rope of haveing been friends in the past on taking down a crane near weld or weld;
With the fag end at new steel rope two ends be separately fixed at the correspondence position of hoist roller.
2. method according to claim 1; It is characterized in that: when old steel rope drives new steel rope and passes the pulley sheet of each running block successively; Hoisting crane was shut down when hoist roller need be with the fag end band coiling of new steel rope or near reel; Then the part near its fag end weld of new steel rope is hung near reel; Make the fag end of new steel rope be constrained on proper height and can not start hoist roller then to put rope, the old steel rope that twines on the reel is all bled off and removes with old rope landing.
3. method according to claim 1 and 2; It is characterized in that: the gib head of before fag end weld together, changing hoisting crane the fag end of new steel rope and the place of cutting off that stays the old steel rope on the running block; The process of changing gib head does; The old steel rope of both sides on each movable pulley sheet of the disconnected old gib head of electricity consumption welding makes old steel rope be separated into the old length of cable on each corresponding movable pulley sheet and still is suspended in the old length of cable of cylinder on the hoisting crane; Penetrate again on each pulley sheet of new gib head installing around after the old length of cable of each root of the movable pulley sheet of each Geju City gib head takes off; Except an end fag end of one of them old length of cable on the outermost movable pulley sheet; Each fag end weld together of the old length of cable that keeps on the cooresponding cylinder of fag end and position with remaining each old length of cable is accomplished the replacing of gib head.
4. quick replacement method of steel cables of crane; Be used for the steel rope more than that installs around on the hoisting crane gib head movable pulley is changed; One end of each the root steel rope on the movable pulley is that the traction end, the other end that are fixed on the reel of hoisting crane are the fixed end that is fixed on the hoisting crane fixed part; It is characterized in that: this method may further comprise the steps
Rope is put in the startup more reel of the hoisting crane of change steel rope; Keep motionless after the hoisting crane gib head being lowered to the position that is fit to welding operation; Then on the disconnected gib head of electricity consumption welding on the running block on one of them outermost movable pulley sheet around the part of drawing to reel of old steel rope to be changed; Old steel rope is told two fag ends through cutting off; The part that fag end connected is stayed on the running block, and the part that another fag end connected is stayed on the reel, and with the fag end of new steel rope and the fag end weld together that cuts off the place of staying the old steel rope on the running block;
Start hoist roller and receive rope, will all be wound on the old steel rope of new steel rope weld together on the reel, old steel rope drives the pulley sheet that new steel rope passes each running block successively simultaneously;
New steel rope and old steel rope are broken off the institute's steel rope of haveing been friends in the past on taking down a crane near weld or weld;
With the fag end at new steel rope two ends in be fixed on the fag end of open circuited that end of old steel rope and become new traction end on the reel, the other end of new steel rope is fixed on and becomes new fixed end on the hoisting crane fixed part.
5. method according to claim 4; It is characterized in that: when old steel rope drives new steel rope and passes the pulley sheet of each running block successively; Hoisting crane was shut down when hoist roller need be with the fag end band coiling of new steel rope or near reel; Then the part near its fag end weld of new steel rope is hung near reel; Make the fag end of new steel rope be constrained on proper height and can not start hoist roller then to put rope, the old steel rope that twines on the reel is all bled off and removes with old rope landing.
6. according to claim 4 or 5 described methods; It is characterized in that: the gib head of before fag end weld together, changing hoisting crane the fag end of new steel rope and the place of cutting off that stays the old steel rope on the running block; The process of changing gib head does; The old steel rope of both sides on each movable pulley sheet of the disconnected old gib head of electricity consumption welding makes old steel rope be separated into the old length of cable on each corresponding movable pulley sheet and still is suspended in the old length of cable of cylinder on the hoisting crane; Penetrate again on each pulley sheet of new gib head installing around after the old length of cable of each root of the movable pulley sheet of each Geju City gib head takes off; Except an end fag end of one of them old length of cable on the outermost movable pulley sheet; Each fag end weld together of the old length of cable that keeps on the cooresponding cylinder of fag end and position with remaining each old length of cable is accomplished the replacing of gib head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910311963 CN101712443B (en) | 2009-12-22 | 2009-12-22 | Quick replacement method of steel cables of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910311963 CN101712443B (en) | 2009-12-22 | 2009-12-22 | Quick replacement method of steel cables of crane |
Publications (2)
| Publication Number | Publication Date |
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| CN101712443A CN101712443A (en) | 2010-05-26 |
| CN101712443B true CN101712443B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910311963 Expired - Fee Related CN101712443B (en) | 2009-12-22 | 2009-12-22 | Quick replacement method of steel cables of crane |
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| CN (1) | CN101712443B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009917B (en) * | 2010-10-26 | 2012-05-02 | 北京首钢建设集团有限公司 | Method for replacing steel wire rope and gantry hook of large-scale bridge crane simultaneously |
| 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 |
| CN102808599B (en) * | 2012-07-05 | 2015-03-25 | 中国石油天然气集团公司 | Drilling line stringing-up safety method |
| 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 |
| CN104803285B (en) * | 2015-03-27 | 2016-09-28 | 山东钢铁股份有限公司 | A kind of method that running block is changed in bridge crane |
| CN106698223A (en) * | 2016-12-14 | 2017-05-24 | 四川德胜集团钒钛有限公司 | Replacing method of travelling crane main hook steel wire rope |
| CN106809748B (en) * | 2017-03-15 | 2018-10-30 | 兰州兰石集团有限公司 | The double-drum winch lifting system and rope of variable rope system are transform method |
| CN106629442B (en) * | 2017-03-15 | 2018-10-02 | 兰州兰石集团有限公司 | It is device that drilling machine traveling system, which becomes rope, |
| CN109019306B (en) * | 2018-09-04 | 2019-08-06 | 宣化钢铁集团有限责任公司 | A kind of method of quick-replaceable bridge crane single hook head |
| CN110436365B (en) * | 2019-07-26 | 2021-03-05 | 山东钢铁股份有限公司 | Method for replacing steel wire rope of crane |
| CN110980520B (en) * | 2019-08-26 | 2024-01-30 | 广州环投增城环保能源有限公司 | Quick replacement method for steel wire rope |
| 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 |
| CN112794168B (en) * | 2019-11-14 | 2022-09-09 | 上海梅山钢铁股份有限公司 | Replacement device for grab bucket steel wire rope of bridge type grab bucket ship unloader |
| CN112357777A (en) * | 2020-11-10 | 2021-02-12 | 鞍钢股份有限公司 | Method for quickly replacing steel rope of hook beam of gantry crane |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966385A (en) * | 2005-11-17 | 2007-05-23 | 上海宝钢冶金建设公司 | Method for quickly changing large-size steel wire of traveling crane |
-
2009
- 2009-12-22 CN CN 200910311963 patent/CN101712443B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966385A (en) * | 2005-11-17 | 2007-05-23 | 上海宝钢冶金建设公司 | Method for quickly changing large-size steel wire of traveling crane |
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| CN101712443A (en) | 2010-05-26 |
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Owner name: HEBEI IRON + STEEL GROUP CO. LTD. |
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Effective date of registration: 20100901 Address after: 462500 west section of Hubin Road, Henan, Wugang Applicant after: Wuyang Iron & Steel Co., Ltd. Co-applicant after: Hebei Iron & Steel Group Co., Ltd. Address before: 462500 west section of Hubin Road, Henan, Wugang Applicant before: Wuyang Iron & Steel Co., Ltd. |
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