CN105800490A - Method for replacing crane main hook steel wire rope - Google Patents

Method for replacing crane main hook steel wire rope Download PDF

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Publication number
CN105800490A
CN105800490A CN201610391634.3A CN201610391634A CN105800490A CN 105800490 A CN105800490 A CN 105800490A CN 201610391634 A CN201610391634 A CN 201610391634A CN 105800490 A CN105800490 A CN 105800490A
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CN
China
Prior art keywords
steel wire
wire rope
reel
old
hook
Prior art date
Application number
CN201610391634.3A
Other languages
Chinese (zh)
Inventor
孙吉才
李瑞峰
郑宏祥
林士杰
Original Assignee
山东钢铁股份有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 山东钢铁股份有限公司 filed Critical 山东钢铁股份有限公司
Priority to CN201610391634.3A priority Critical patent/CN105800490A/en
Publication of CN105800490A publication Critical patent/CN105800490A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details
    • B66D1/36Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains

Abstract

The invention provides a method for replacing a crane main hook steel wire rope. Firstly, an old steel wire rope at one end of a drum is dismounted; the rope head of the dismounted old steel wire rope is connected with one end of a new steel wire rope; the other end of the old steel wire rope is still fixed on the drum; a main lifting hook is ascended; and under winding drive of the drum, and self power of equipment is used for enabling the old steel wire rope to tow the new steel wire rope to wind in a pulley set so as to finish replacement of the steel wire rope. The method for replacing the crane main hook steel wire rope, provided by the invention, fully uses self power of the equipment in the replacing process, effectively improves the operation efficiency, shortens the maintenance time, needs no manual drawing, and largely reduces the labor intensity.

Description

A kind of method changing driving main hook steel wire rope

Technical field

The present invention relates to technical field of crane equipment, particularly relate to a kind of method changing driving main hook steel wire rope.

Background technology

Crane refers to many actions hoisting machinery of vertical-lift within the specific limits and horizontal carrying heavy goods, belongs to material carrying machine.By version, crane is broadly divided into small-sized crane gear, bridge (bridge-type, gate-type) crane, boom type (self-propelled, tower, seat type, railway formula, floating vessel type, masts type) crane, cable crane.The driving that we are commonly called as at ordinary times, is the one of bridge crane.Driving is general to be made up of with metal structure three parts mechanical, electric.Mechanical part is divided into again three mechanisms, i.e. lifting mechanism, wheeling mechanism and traveling mechanism of the larger traveller.Lifting mechanism is used for vertical lift article, and wheeling mechanism moves laterally for band dynamic loading;Traveling mechanism of the larger traveller is for vertically moving trolley and article.

The lifting mechanism of driving includes motor, brake, decelerator, reel group, running block, fixed pulley group, suspension hook group and steel wire rope etc., and reel group and fixed pulley group are respectively positioned on dolly, dolly transverse shifting band movable reel group and fixed pulley group transverse shifting;Suspension hook group includes main suspension hook, auxiliary hook, and main suspension hook is the suspension hook of regular use, and the major part work of driving is all dependent on what main suspension hook completed, and auxiliary hook helps out, and uses auxiliary hook time general lift heavy is relatively lighter, rate request is higher;The outside of running block is through being often equipped with guard shield, in order to protect movable pulley.Refer to Fig. 1, it show the winding schematic diagram of a kind of main hook steel wire rope of driving a vehicle, in Fig. 1, running block 4 is fixed on above main suspension hook 5, fixed pulley group 3 is fixed on dolly, fixed pulley group 3 includes four fixed pulley 31-34, running block 4 includes 5 movable pulley 41-45, steel wire rope 2 moves into movable pulley and fixed pulley successively, two fag ends of steel wire rope 2 are separately fixed on two ends 11 and 12 of reel 1, motor is rotated by decelerator band movable reel 1, reel 1 rotation drive steel wire rope 2 puts down around coiling 1 or from reel 1, the lifting of steel wire rope 2 drives the lifting of the movable pulley 41-45 on main suspension hook 5, thus driving the lifting of main suspension hook 5, and then drive the lifting of the weight hung on main suspension hook 5.Steel wire rope 2 is as the important component part of lifting of travelling crane mechanism, during vehicling operation, steel wire rope 2 constantly moves in assembly pulley and lays out, inevitably there is wear phenomenon in steel wire rope 2, operation is more frequent, environment is more severe, and it is more fast that steel wire rope 2 weares and teares, in addition, there is also because going out the phenomenon that the fortuitous events such as groove extruding make steel wire rope 2 rupture, it is necessary to more change steel rope 2 ensures driving lifting safety in time.

At present, the conventional method that more change steel rope 2 adopts is from after all removing reel 1 and assembly pulley by old steel wire rope, as messenger, the new steel wire rope cut in advance according to driving lifting distance is passed around on precession pulley and fixed pulley successively with the rope made of hemp, then two fag ends of new steel wire rope are fixed on two ends of reel 1;Owing to the position of fixed pulley and reel 1 is higher, being required for manually by new steel wire rope drawing up when being passed around by new steel wire rope into fixed pulley group 3 and be fixed on reel 1, the labor intensity of maintainer is big, and length consuming time, efficiency is low;On the other hand, during the new steel wire rope of artificial drawing, owing to manpower acts on new steel wire rope, steel wire rope can be made to reverse and produce twisting resistance, and after two fag ends of new steel wire rope are manually fixed on two ends of reel 1, the twisting resistance that new steel wire rope produces not easily discharges, main suspension hook 5 can be driven to reverse by running block 3, main suspension hook 5 even being driven when twisting resistance is bigger to rotate, and make the new steel wire rope passed around on different movable pulleys clench, impact is normal to be used.

Summary of the invention

It is an object of the invention to, overcome the deficiencies in the prior art, it is provided that a kind of method changing driving main hook steel wire rope.

For solving above-mentioned technical problem, the technical scheme is that and a kind of method changing driving main hook steel wire rope is provided, carry out as follows:

S101: main suspension hook is dropped to ground and to remove main hook spacing;

S102: remove the old steel wire rope being fixed on reel A end, and be connected fixing with a fag end of the new steel wire rope got ready for the fag end of described old steel wire rope;

S103: disconnect the connection of old steel wire rope and reel B end, and fall after the fag end of described old steel wire rope is walked around reel, rise main suspension hook, so that the new steel wire rope motion of old rope traction, the fixed connection place to new steel wire rope and old steel wire rope stops, when arriving reel, the main suspension hook that rises;

S104: be connected fixing with one end of manila rope for another fag end of new steel wire rope, the other end of manila rope is fixed on reel A end;

S105: risen by main suspension hook, until stopping, when new steel wire rope arrives reel A end, the main suspension hook that rises.

First remove the old steel wire rope of reel one end and the fag end of old steel wire rope removed is connected with one end of new steel wire rope, the other end of old steel wire rope is still fixed on reel, rise main suspension hook, under the winding of reel drives, utilize the power of equipment self, the new steel wire rope of old rope traction is made to move into assembly pulley, thus completing the replacing of steel wire rope.First main suspension hook is dropped to ground before dismounting, so that the stress of the old steel wire rope being wrapped between movable pulley and fixed pulley reduces, convenient operation.

Preferably, in described step S103, rise main suspension hook, so that the new steel wire rope motion of old rope traction, the fixed connection place to new steel wire rope and old steel wire rope stops, when arriving reel, the main suspension hook that rises, including:

S1031: rise main suspension hook, when the old wire rope roll to reel B end is around to the middle part of reel, stops the main suspension hook that rises;

S1032: the old steel wire rope being wound in described step S1031 in the middle part of reel is moved on to reel B end;

S1033: repeat step S1031 and S1032, the fixed connection place to new steel wire rope and old steel wire rope stops, when arriving reel, the main suspension hook that rises.

In order to make the fixed connection place of new steel wire rope and old steel wire rope arrive reel, when rising main suspension hook, there is old steel wire rope longer, when old steel wire rope is wound to middle part or even the end of reel along with the motion of reel, the fixed connection place of new steel wire rope and old steel wire rope does not also arrive reel, now, reel does not have old steel wire rope continue the space of winding, after the old steel wire rope being wound in the middle part of reel is returned to reel ends by needs again, followed by main suspension hook of continuing rising, until the fixed connection place of new steel wire rope and old steel wire rope arrives reel.

Preferably, in described step S1032, by the method that the old steel wire rope being wound in the middle part of reel moves on to reel B end it is:

First will be located in the old steel wire rope near reel B end in the middle part of reel and retract reel B end, then decline main suspension hook, stops, when all retreating to reel B end to old steel wire rope, the main suspension hook that declines.

In step s 103, during the fag end of old steel wire rope falls after walking around reel, the fag end of old steel wire rope can be walked around reel one and enclose or fall after multi-turn again, when the fag end of old steel wire rope falls after walking around reel one week, directly the old steel wire rope being wound in the middle part of reel is retracted reel B end, when walking around fall after reel many weeks when the fag end of old steel wire rope, the old steel wire rope that first will be closest to reel B end is then needed to retract reel B end, then decline main suspension hook, decline main suspension hook time, old steel wire rope on reel unrolls and falls, owing to being pulled reel B end near the old steel wire rope of reel B end, when main suspension hook declines, the old steel wire rope being wound on reel can be crossed over mid portion and directly wrap to reel B end.

Preferably, in described step S101, when main suspension hook drops to ground, by the movable pulley on main suspension hook towards auxiliary hook side.

Preferably, also include between described step S102 and step S103:

Old steel wire rope between backfash movable pulley and fixed pulley one by one, so that the length of the old steel wire rope between movable pulley and fixed pulley increases, then moves dolly to auxiliary hook direction, and the guard shield to steel wire rope and movable pulley stops when being not in contact with each other.

The guard shield that dolly moves to steel wire rope and movable pulley to auxiliary hook direction is not in contact with each other, so that steel wire rope between movable pulley and fixed pulley and ground are certain inclination angle, the active force even cancelling between steel wire rope and guard shield can be weakened, avoid steel wire rope and occur that because of the stop of guard shield inevitable bending damages, movable pulley on main suspension hook is towards auxiliary hook side, facilitate dolly to move to auxiliary hook direction, and in moving process, main suspension hook is not easy to be drawn by steel wire rope turn over.

Preferably, include between described step S103 and S104: surface dolly moved to main suspension hook.

Preferably, after described step S105, also include step S106: separated with manila rope with old steel wire rope and the fixing new steel wire rope connected by the new steel wire rope of fixing connection, and two fag ends of new steel wire rope are individually fixed in reel side a and b.

The technical scheme that embodiments of the invention provide can include following beneficial effect:

The present invention provides a kind of method changing driving main hook steel wire rope, first remove the old steel wire rope of reel one end and the fag end of old steel wire rope removed is connected with one end of new steel wire rope, the other end of old steel wire rope is still fixed on reel, rise main suspension hook, under the winding of reel drives, utilizing the power of equipment self, making the new steel wire rope of old rope traction move into assembly pulley, thus completing the replacing of steel wire rope.The method changing driving main hook steel wire rope provided by the invention, fully by equipment self strength in Renewal process, it is effectively increased working performance, shorten the repair time, it is not necessary to artificial drawing, greatly reduce labor intensity, simultaneously, avoiding artificial drawing makes steel wire rope reverse and produce twisting resistance, thus avoiding steel wire rope to clench, impact is normal to be used.

Accompanying drawing explanation

In order to be illustrated more clearly that disclosure embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, for those of ordinary skills, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the winding schematic diagram of a kind of main hook steel wire rope of driving a vehicle.

Fig. 2 is a kind of schematic diagram changing driving main hook steel wire rope that the embodiment of the present invention provides.

Fig. 3 is the flow chart of a kind of method changing driving main hook steel wire rope that the embodiment of the present invention provides.

In figure: 1-reel, 11-reel A end, 12-reel B end, the old steel wire rope of 2-, 3-fixed pulley group, 4-running block, 46-guard shield, the main suspension hook of 5-, the new steel wire disk of 6-, the new steel wire rope of 61-, 7-auxiliary hook, 8-manila rope.

Detailed description of the invention

In order to make those skilled in the art be more fully understood that the technical scheme in the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of protection of the invention.

Canoe based on the driving main hook steel wire rope shown in Fig. 1, refer to Fig. 2, showing a kind of schematic diagram changing driving main hook steel wire rope that the embodiment of the present invention provides, the described method changing driving main hook steel wire rope method flow diagram shown in Fig. 3 carries out.

From the figure 3, it may be seen that the method changing driving main hook steel wire rope that the embodiment of the present invention provides, carry out as follows:

S101: main suspension hook 5 is dropped to ground and to remove main hook spacing;Before this, first driving is driveed to service area, and the new steel wire rope 61 got ready is put to service area.

After main suspension hook 5 drops to ground, can be proceeded to decline the operation of main suspension hook 5, so that the old steel wire rope 2 on reel 1 slowly discharges earthward, until the old steel wire rope 2 at reel 1 two ends remains with 2-3 circle, stop dropping the operation of main suspension hook 5, general, two fag ends of old steel wire rope 2 adopt steel wire rope pressing plate to be fixed on the two ends of reel 1, when stopping the operation dropping main suspension hook 5, it is desirable to make steel wire rope pressing plate in the first half of reel 1, to facilitate dismounting.

S102: remove the old steel wire rope 2 being fixed on reel A end 11, and be connected fixing with a fag end of the new steel wire rope 61 got ready for the fag end of described old steel wire rope 2;

In general, two fag ends of old steel wire rope 2 adopt steel wire rope pressing plate will be fixed on reel 1, when removing the old steel wire rope 2 of reel A end 11, firstly the need of removing steel wire rope pressing plate, then old for this side steel wire rope 2 is put to ground, being connected fixing for one end of its fag end and new steel wire rope 61, described fixing connected mode can be weld or with iron wire bind etc., and the present invention does not limit its fixing connected mode.

Because winding in the process of more change steel rope at reel, the number of turns when number of turns of its winding that rises is many more than normal operation, therefore, before removing the old steel wire rope 2 of reel A end, it is necessary to first remove main hook spacing, the new steel wire rope 61 got ready can cut length highly in advance according to the handling of main suspension hook 5, can also directly with new steel wire disk 6, in use, intercepted length as required, in the present embodiment, adopt aforementioned second method.

The present embodiment adopts welding manner, the old steel wire rope 2 pulled down is cut off at five meters of external gas cuttings apart from main suspension hook 5, flush process;Leave greater depth in order that can easily make fag end reverse certain angle during welding facilitate weld herein;By the flush process of fag end gas cutting of the new steel wire rope 61 of release from new steel wire disk 6, toasting slightly the fag end of new steel wire rope 61 and old steel wire rope 2 with burning torch, alignd at ground grading place by two fag ends, weld with gas cutting burning torch, available common iron wire does welding wire;After joint the first half welds, new steel wire rope 61 and old steel wire rope 2 are twisted certain angle simultaneously, such as 180 °, make not weld position on the downside of fag end upward, continue welding, until weld is tight, smooth.

S103: disconnect the connection of old steel wire rope 2 and reel B end 12, and fall after the fag end of described old steel wire rope 2 is walked around reel 1, rise main suspension hook 5, so that old steel wire rope 2 draws new steel wire rope 61 and moves, the fixed connection place to new steel wire rope 61 and old steel wire rope 2 stops, when arriving reel 1, the main suspension hook 5 that rises;

Before disconnecting the connection of old steel wire rope 2 and reel B end 12, equally first steel wire rope pressing plate is removed, although disconnecting between old steel wire rope 2 and reel B end 12, but the fag end of old steel wire rope 2 is not directly fall, and fall after being to bypass reel, can be winding reel one circle can also be multi-turn, can make to rise with regard to steel wire rope 2 by the power of equipment self when rising main suspension hook 5, in the process, if necessary, artificially can apply slightly pulling force, so that old steel wire rope 2 does not skid on reel 1, along with the rising of reel 1 rotates, one end of old steel wire rope 2 continues to fall to ground, the other end draws new steel wire rope 61 and constantly moves into running block 4 and fixed pulley group 3, until the weld of new steel wire rope 61 and old steel wire rope 2 stops, when arriving reel 1, the main suspension hook 5 that rises;After one end of old steel wire rope 2 falls to ground, surface personnel catches old steel wire rope 2 and immediately coils lopping, meanwhile, someone should hold up steady steel wire disk 6 in surface personnel, someone looks after old steel wire rope 2 and main suspension hook 5, it is prevented that old steel wire rope 2 and the new steel wire rope 61 moved into go out groove.

Herein, rise before main suspension hook 5, it should first with auxiliary hook 7, steel wire disk 6 is sling to departing from ground, in order to new steel wire rope 61 can back-out from new steel wire disk 6 smoothly.

In above-mentioned steps S103, in order to make the welding point place of new steel wire rope 61 and old steel wire rope 2 arrive reel 1, when rising main suspension hook 5, there is old steel wire rope 2 longer, when old steel wire rope 2 is wound to middle part or even the end of reel 1 along with the motion of reel 1, the welding point place of new steel wire rope 61 and old steel wire rope 2 does not also arrive reel 1, now, reel 1 does not have old steel wire rope 2 continue the space of winding, after the old steel wire rope 2 being wound in the middle part of reel 1 is returned to reel 1 end by needs again, followed by main suspension hook 5 of continuing rising, until the welding point place of new steel wire rope 61 and old steel wire rope 2 arrives reel 1.

Therefore, in above-mentioned steps S103, described " rise main suspension hook, so that the new steel wire rope motion of old rope traction, the fixed connection place to new steel wire rope and old steel wire rope stops, when arriving reel, the main suspension hook that rises " including:

S1031: rise main suspension hook 5, when the old steel wire rope 2 to reel B end 12 is wound to the middle part of reel 1, stops the main suspension hook 5 that rises;

S1032: the old steel wire rope 2 being wound in described step S1031 in the middle part of reel 1 is moved on to reel B end 12 place;

S1033: repeat step S1031 and S1032, the fixed connection place to new steel wire rope 61 and old steel wire rope 2 stops, when arriving reel 1, the main suspension hook 5 that rises.

In described step S1032, the method for " the old steel wire rope 2 being wound in the middle part of reel 1 is moved on to reel B end " is:

First will be located in the old steel wire rope 2 near reel B end 12 in the middle part of reel 1 and retract reel B end 12 place, then decline main suspension hook 5, stops, when all retreating to reel B end 12 to old steel wire rope 2, the main suspension hook 5 that declines.

nullWhen the fag end of old steel wire rope 2 falls after walking around reel 1 one weeks,Directly the old steel wire rope 2 being wound in the middle part of reel 1 is retracted reel B end 12,When the fag end of old steel wire rope 2 falls after walking around reel week more than 1,The old steel wire rope 2 that first will be closest to reel B end 12 is then needed to be returned to reel B end 12,Then decline main suspension hook 5,Decline main suspension hook 5 time,Old steel wire rope 2 on reel 1 unrolls and falls,Owing to being pulled reel B end 12 near the old steel wire rope 2 of reel B end 12,When main suspension hook 5 declines,The old steel wire rope 2 being wound on reel 1 can be crossed over mid portion and directly wrap to reel B end 12 place,Stop, when all retreating to reel B end 12 to old steel wire rope 2, the main suspension hook 5 that declines,Then step S1031 and step S1032 is repeated,Until the welding point place of new steel wire rope 61 and old steel wire rope 2 stops when arriving reel 1.

S104: be connected fixing with one end of manila rope 8 for another fag end of new steel wire rope 61, the other end of manila rope 8 be fixed on reel A end 11;

Owing to the present embodiment adopts new steel wire liter dish 6, do not cut the length of new steel wire rope 61 in advance, therefore, before described step S104, first decline auxiliary hook 7, falls to ground by the new steel wire disk 6 on above-mentioned disengaging ground, and then new steel wire rope 61 backfash long between fixed pulley group 3 and running block 4 connects the side of new steel wire disk 6 to running block 4, distance according to ground to reel 1 blocks new steel wire rope 61, and trims fag end.

It is connected fixing with one end of manila rope 8 for the above-mentioned fag end trimmed, herein, fixing connected mode is not defined by the present invention, the present embodiment adopts bind, one end of the fag end trimmed Yu manila rope 8 is tied up, the other end of manila rope 8 is fixed on reel A end 11, can also is that and the other end of manila rope 8 is wound around 1-2 circle according to the canoe of steel wire rope on reel A end 11, the connected mode of manila rope 8 and reel A end 11 is so that manila rope 8 can wind coiling 1 be as the criterion with the rotation of reel 1, and the present invention does not limit its concrete mode;In the present embodiment, the other end of manila rope 8 is wound around a circle according to the canoe of steel wire rope on reel A end 11.Herein, manila rope 8 can be substituted.

S105: risen by main suspension hook 5, until stopping, when new steel wire rope 61 arrives reel A end 11, the main suspension hook 5 that rises.

In the present embodiment, main suspension hook 5 is risen, crawl or slowly continuous rotating drum 1, now, the steel wire rope at reel B end 12 place is applied power, make steel wire rope only slide on reel 1 and not screw out;Simultaneously, manila rope 8 on reel B end 12 is applied and aforementioned contrary power, manila rope 8 is made to drive new steel wire rope 61 to rise under the winding of reel 1, until new steel wire rope 61 stops, when being wound around 2-3 circle on reel A end 11, the main suspension hook 5 that rises, during stopping, the bolt hole making the steel wire rope pressing plate on reel 1 rotates to the first half of reel 1, in order to installs steel wire rope pressing plate, is fixed at the two ends of new steel wire rope 61.

Herein, the steel wire rope at reel B end 12 place is applied power, when purpose is to make the fag end of new steel wire rope 61 be wound to reel A end 11 place, the new steel wire rope being positioned at reel B end 12 place does not wind coiling 1 along with the rotation of reel 1, so that when the fag end of new steel wire rope 61 is wound to reel A end 11 place, reel B end 12 place is just another fag end of new steel wire rope 61, and two ends synchronize, and save new steel wire rope.

It should be noted that, in the method changing driving main hook steel wire rope provided by the invention, reel A end and reel B end can exchange, and namely reel A end is any one end of reel 1, and the other end automatically becomes B end.

In the present embodiment, in described step S101, when main suspension hook 5 drops to ground, by the running block 4 on main suspension hook 5 towards auxiliary hook 7, the main suspension hook 5 that proceeds to decline operates, and is slowly discharged earthward by the old steel wire rope 2 on reel 1, until the old steel wire rope 2 at reel 1 two ends stops when retaining 2-3 circle, during stopping, making steel wire rope pressing plate in the first half of reel 1, to facilitate dismounting.Based on this, between described step S102 and step S103, before removing the old steel wire rope 2 at reel A end 11 place, proceed as follows:

Old steel wire rope 2 between backfash movable pulley and fixed pulley one by one, so that the length of the old steel wire rope 2 between movable pulley and fixed pulley increases, then moves dolly to the direction of auxiliary hook 7, and the guard shield 46 to steel wire rope and movable pulley stops when being not in contact with each other.

This operation makes the old steel wire rope 2 between fixed pulley group 3 and running block 4 form certain inclination angle with ground, the active force between old steel wire rope 2 and guard shield 46 can be weakened, old steel wire rope 2 will not occur at this that irreversible bending damages, and running block 4 is not easy to be drawn by old steel wire rope 2 turn over.

Based on aforesaid operations, between described step S103 and S104, between fixing with one end of manila rope 8 for another fag end of new steel wire rope 61 connection, be operated: dolly is moved the surface to main suspension hook 5.

The present embodiment final step, step S106: the new steel wire rope of fixing connection is separated with manila rope with old steel wire rope and the fixing new steel wire rope connected, and two fag ends of new steel wire rope are individually fixed in reel side a and b, complete the replacing of driving main hook steel wire rope.

Certainly, also need to carry out some aftermaths after described step S106 so that driving can normal operation, such as:

Slowly rise main suspension hook 5, notes preventing new steel wire rope 61 from going out groove, and period adjusts the position of driving trolley in good time, is maintained at the main suspension hook 5 in surface of main suspension hook 5 without departing from face of ground as far as possible, it should be noted that prevents new steel wire rope 61 random groove on reel 1;

Main suspension hook 5 is raised to and closes on highest order, recover and adjust main hook electric limiting, and carrying out repeatedly test run;By clean to ground old steel wire rope 2, new steel wire disk 6, various Work tool cleaning oil pollution etc..

To sum up, a kind of method changing driving main hook steel wire rope that the embodiment of the present invention provides, it is possible to be sequentially carried out in accordance with the following steps:

Step 1: in advance new steel wire disk 6 is transported to predetermined maintenance and changes point.

Step 2: commander's driving runs to service area, commander's driving driver operation decline main hook, and running block 4 is steadily placed upside down in maintenance ground, district, and the pulley 41-45 of running block 4 is towards auxiliary hook 7 direction.

Step 3: it is spacing that electric personnel remove main hook.

Step 4: commander driving driver is by the operation of decline main hook, old steel wire rope 2 on reel 1 is slowly discharged earthward, until the old steel wire rope in reel 1 two ends remains with 2-3 circle, stops dropping hook operation, now ensure steel wire rope pressing plate the first half at reel 1, to facilitate dismounting.

Step 5: removed one by one by the steel wire rope pressing plate of reel A end 11, is put into ground by old for this side steel wire rope 2.

Step 6: the old steel wire rope 2 step 5 pulled down cuts off at distance 5 meters of external gas cuttings of suspension hook group, flush process;Leave greater depth in order that can easily make fag end reverse certain angle facilitate weld herein when step 8 is welded.

Step 7: by the flush process of fag end gas cutting of the new steel wire rope 61 of release from new steel wire disk 6.

Two fag ends are alignd by step 8: toast slightly the fag end of new steel wire rope 61 and old steel wire rope 2 with burning torch at ground grading place, weld with gas cutting burning torch, and available common iron wire does welding wire;After joint the first half welds, new and old steel wire rope is twisted certain angle simultaneously, make not weld position on the downside of fag end upward, continue welding, until weld is tight, smooth.

Step 9: the old steel wire rope 2 between backfash running block 4 and fixed pulley group 3 one by one, makes rope capacity between the two increase.

Step 10: ground staff commands driving driver operation dolly slowly to move to auxiliary hook 7 direction, makes the steel wire rope between fixed pulley group 3 and running block 4 form certain inclination angle with ground;This measure can weaken the active force between old steel wire rope 2 and guard shield 46, and old steel wire rope 2 will not occur at this that irreversible bending damages, and running block 4 is not easy to be drawn by old steel wire rope 2 turn over.

Step 11: new steel wire disk 6 is sling to just departing from ground by commander driving driver with auxiliary hook 7.

Step 12: the personnel on driving dolly remove all steel wire rope pressing plates of reel B end 12.

Step 13: commander driving driver carries out the operation of liter main hook, makes reel 1 slowly rise rotations, and the personnel driven a vehicle on dolly catch the old steel wire rope head of reel B end 12 simultaneously, apply slightly pulling force, and not skidding on reel 1 with old steel wire rope 2 is as the criterion;Along with the rising of reel 1 rotates, taking advantage of a situation old steel wire rope 2 from above dolly guardrail, fall between two driving girders, ground has people catch old steel wire rope 2 and immediately coil lopping;Meanwhile, in ground staff, a side holds up steady steel wire disk 6, and the opposing party looks after old steel wire rope 2 and running block 4, it is prevented that old steel wire rope 2 goes out groove.

Step 14: when waiting the winding of the old steel wire rope 2 on reel 1 to advance to the middle part closing on reel 1, notice driving driver stop.

Step 15: again the old steel wire rope 2 in the middle of reel 1 is moved on to the original position of reel B end 12: first will be closest to the old steel wire rope 2 of reel B end 12 and pull to the original position of this side end as possible, operate main hook again and drop hook operation, make steel wire rope 2 slowly decline along with reel 1 and rotate and whole original position again retreating to reel B end 12.

Step 16: continuing serving operation, period to repeat step 14 and 15, until the joint of new steel wire rope 61 and old steel wire rope 2 rolls out reel 1.

Step 17: commander's driving driver operation driving is dropped auxiliary hook 7 and landed by new steel wire rope 6 dish.

Step 18: dolly is reached the surface of running block 4 by commander driving driver.

Step 19: by the side of the pulley 45 connecting steel wire ropes dish 6 of new steel wire rope 61 backfash long between fixed pulley group 3 and running block 4 to running block 4, block new steel wire rope 61 according to the distance on ground to driving reel 1, and trim fag end.

Step 20, the fag end that manila rope 8 one end is put into ground and new steel wire rope 61 tie up, and the other end is wound around 1-2 on reel A end 11 according to the canoe of steel wire rope and encloses.

Step 21: commander driving driver hooks up operation main hook, crawl or slowly continuous rotating drum 1, and now old steel wire rope 2 is applied opposite force by the personnel of reel B end 12, makes old steel wire rope 2 only slide on reel 1 and not screw out;Simultaneously, manila rope 8 is applied certain pulling force by the personnel of reel A end 12, manila rope 8 is made to increase with the new steel wire rope 61 on movable pulley 45 under the winding of reel 1, until new steel wire rope 61 is wound around 2-3 circle on reel A end 11, and the bolt hole of the steel wire rope pressing plate on reel 1 rotates to the first half of reel 1, stop main hook and operate and open traffic safety door.

Step 22: take off manila rope 8 from new steel wire rope 61, moves on to new steel wire rope 61 reel A end 11 place, tightens steel wire rope pressing plate one by one, it is ensured that press steel wire rope 61.

Step 23: the new steel wire rope 61 also connected together with old steel wire rope 2 is moved on to reel B end 12 place, first presses all the other the steel wire rope pressing plates except end pressing plate, cuts off from steel wire rope welding point with gas cutting, put old steel wire rope 2 to ground;The steel wire rope pressing plate of end is pressed after repairing the fag end of new steel wire rope 61.

Step 24: commander's driving driver's crawl rises or slowly hooks up operation, notes preventing steel wire rope 2 from going out groove, and period adjusts driving trolley position in good time, is maintained at directly over running block 4 as far as possible;Running block 4 is without departing from face of ground, and the little passengers inside the car that drive a vehicle to prevent steel wire rope 2 random groove on reel 1.

Step 25: running block 4 is raised to and closes on highest order by driving driver.

Step 26: electrically PERSONNEL RECOVERY and adjustment main hook electric limiting, contact driving driver's test run is repeatedly, it is ensured that errorless.

Step 27: by new and old for ground steel wire rope, Work tool, Work tool and cleaning oil pollution on driving dolly are clean, and maintainer and moving operation personnel handle handing-over, operation of putting into production of driving a vehicle.

The above is only the specific embodiment of the present invention, makes to skilled artisans appreciate that or realize the present invention.The multiple amendment of these embodiments be will be apparent to one skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.

Claims (7)

1. the method changing driving main hook steel wire rope, it is characterised in that carry out as follows:
S101: main suspension hook is dropped to ground and to remove main hook spacing;
S102: remove the old steel wire rope being fixed on reel A end, and be connected fixing with a fag end of the new steel wire rope got ready for the fag end of described old steel wire rope;
S103: disconnect the connection of old steel wire rope and reel B end, and fall after the fag end of described old steel wire rope is walked around reel, then going up main suspension hook, so that the new steel wire rope motion of old rope traction, the fixed connection place to new steel wire rope and old steel wire rope stops, when arriving reel, the main suspension hook that rises;
S104: be connected fixing with one end of manila rope for another fag end of new steel wire rope, the other end of manila rope is fixed on reel A end;
S105: risen by main suspension hook, until stopping, when new steel wire rope arrives reel A end, the main suspension hook that rises.
2. the method changing driving main hook steel wire rope according to claim 1, it is characterised in that in described step S103, rise main suspension hook, so that the new steel wire rope motion of old rope traction, the fixed connection place to new steel wire rope and old steel wire rope stops, when arriving reel, the main suspension hook that rises, including:
S1031: rise main suspension hook, when the old wire rope roll to reel B end is around to the middle part of reel, stops the main suspension hook that rises;
S1032: the old steel wire rope being wound in described step S1031 in the middle part of reel is moved on to reel B end;
S1033: repeat step S1031 and S1032, the fixed connection place to new steel wire rope and old steel wire rope stops, when arriving reel, the main suspension hook that rises.
3. the method changing driving main hook steel wire rope according to claim 2, it is characterised in that in described step S1032, by the method that the old steel wire rope being wound in the middle part of reel moves on to reel B end be:
First will be located in the old steel wire rope near reel B end in the middle part of reel and retract reel B end, then decline main suspension hook, stops, when all retreating to reel B end to old steel wire rope, the main suspension hook that declines.
4. the method changing driving main hook steel wire rope according to claim 1, it is characterised in that in described step S101, when main suspension hook drops to ground, by the movable pulley on main suspension hook towards auxiliary hook side.
5. the method changing driving main hook steel wire rope according to claim 4, it is characterised in that also include between described step S102 and step S103:
Old steel wire rope between backfash movable pulley and fixed pulley one by one, so that the length of the old steel wire rope between movable pulley and fixed pulley increases, then moves dolly to auxiliary hook direction, and the guard shield to steel wire rope and movable pulley stops when being not in contact with each other.
6. the method changing driving main hook steel wire rope according to claim 5, it is characterised in that include between described step S103 and S104: surface dolly moved to main suspension hook.
7. the method changing driving main hook steel wire rope according to any one of claim 1-6, it is characterized in that, step S106 is also included: separated with manila rope with old steel wire rope and the fixing new steel wire rope connected by the new steel wire rope of fixing connection, and two fag ends of new steel wire rope are individually fixed in reel side a and b after described step S105.
CN201610391634.3A 2016-06-06 2016-06-06 Method for replacing crane main hook steel wire rope CN105800490A (en)

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CN106276647A (en) * 2016-09-28 2017-01-04 五冶集团上海有限公司 The device of the kink steel rope replacing of cold-rolling galvanization production line and using method
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
CN109019306A (en) * 2018-09-04 2018-12-18 宣化钢铁集团有限责任公司 A kind of method of quick-replaceable bridge crane single hook head
CN109775582A (en) * 2017-11-10 2019-05-21 上海船厂船舶有限公司 Crane ship hoist rope draw-string method
CN109775594A (en) * 2019-01-23 2019-05-21 武汉船用机械有限责任公司 Steel rope trailer and traction method
CN110255376A (en) * 2019-05-29 2019-09-20 邯郸钢铁集团有限责任公司 A method of replacement metallurgical bridge crane wirerope
CN110395660A (en) * 2019-07-30 2019-11-01 山东钢铁股份有限公司 Crane rope replacing options

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106276647A (en) * 2016-09-28 2017-01-04 五冶集团上海有限公司 The device of the kink steel rope replacing of cold-rolling galvanization production line and using method
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
CN109775582A (en) * 2017-11-10 2019-05-21 上海船厂船舶有限公司 Crane ship hoist rope draw-string method
CN109019306A (en) * 2018-09-04 2018-12-18 宣化钢铁集团有限责任公司 A kind of method of quick-replaceable bridge crane single hook head
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
CN109775594A (en) * 2019-01-23 2019-05-21 武汉船用机械有限责任公司 Steel rope trailer and traction method
CN110255376A (en) * 2019-05-29 2019-09-20 邯郸钢铁集团有限责任公司 A method of replacement metallurgical bridge crane wirerope
CN110395660A (en) * 2019-07-30 2019-11-01 山东钢铁股份有限公司 Crane rope replacing options

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Application publication date: 20160727