CN106044574A - Method for synchronously replacing gantry beam and steel wire ropes of ladle crane - Google Patents

Method for synchronously replacing gantry beam and steel wire ropes of ladle crane Download PDF

Info

Publication number
CN106044574A
CN106044574A CN201610391635.8A CN201610391635A CN106044574A CN 106044574 A CN106044574 A CN 106044574A CN 201610391635 A CN201610391635 A CN 201610391635A CN 106044574 A CN106044574 A CN 106044574A
Authority
CN
China
Prior art keywords
steel wire
wire rope
old
reel
new
Prior art date
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.)
Granted
Application number
CN201610391635.8A
Other languages
Chinese (zh)
Other versions
CN106044574B (en
Inventor
孙吉才
焦见宝
李瑞峰
郑宏祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Iron and Steel Group Co Ltd SISG
Original Assignee
Shandong Iron and Steel Group Co Ltd SISG
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.)
Filing date
Publication date
Application filed by Shandong Iron and Steel Group Co Ltd SISG filed Critical Shandong Iron and Steel Group Co Ltd SISG
Priority to CN201610391635.8A priority Critical patent/CN106044574B/en
Publication of CN106044574A publication Critical patent/CN106044574A/en
Application granted granted Critical
Publication of CN106044574B publication Critical patent/CN106044574B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B66C17/06Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
    • B66C17/10Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes for transporting ladles

Abstract

The invention provides a method for synchronously replacing a gantry beam and steel wire ropes of a ladle crane. The method comprises the following steps: disconnecting old steel wire ropes from an old gantry beam, dismounting the old steel wire ropes, then directly winding the old steel wire ropes on corresponding pulleys of a new gantry beam, then fixedly connecting the old steel wire ropes to form complete steel wire ropes, fixedly connecting rope ends of the old steel wire ropes connected with balance bars to rope ends of new steel wire ropes, dragging the new steel wire ropes via the old steel wire ropes to be wound into pulley blocks under winding driving of a winding drum set, dropping the old steel wire ropes down, winding the old steel wire ropes out, and winding the new steel wire ropes in, thus synchronously replacing the gantry beam and the steel wire ropes. Through the method, the power of rotation equipment is fully utilized in the replacing process; the operating efficiency is effectively improved; the maintenance time is shortened; and the labor intensity is greatly reduced.

Description

Synchronize to change ladle carne gantry beam and the method for steel wire rope
Technical field
The invention belongs to technical field of crane equipment, be specifically related to a kind of synchronization and change ladle carne gantry beam and steel The method of cord.
Background technology
Crane refers to many actions hoisting machinery of vertical-lift within the specific limits and horizontal carrying heavy goods, belongs to material Handling machinery.By version, crane is broadly divided into small-sized crane gear, bridge (bridge-type, gate-type) crane, jib Formula (self-propelled, tower, seat type, railway formula, floating vessel type, masts type) crane, cable crane.Ladle carne is bridge The one of formula crane, generally comprises machinery, electric and metal structure three parts.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 is used for Band dynamic loading moves laterally;Traveling mechanism of the larger traveller is for vertically moving trolley and article.
Ladle carne lifting mechanism, as the important composition mechanism of mechanical part, mainly includes motor, brake, subtracts Speed device, reel group, gantry beam, running block, fixed pulley group, balance bar, suspension hook group and steel wire rope etc., suspension hook group includes main suspension hook And auxiliary hook, main suspension hook is fixed on the lower section of gantry beam, refer to Fig. 1, and the main hook steel wire rope showing a kind of ladle carne twines In figure, Fig. 1, gantry beam 6 is symmetrically fixed with two groups of movable pulleys, accordingly, the reel corresponding with running block, fixed pulley and Balance bar also has two groups, and running block 5 and running block 11 are symmetrically fixed on the two ends of gantry beam 6, running block 5 and movable pulley Group 11 all includes four movable pulleys, and reel 1, reel 7, balance bar 12, balance bar 13, fixed pulley group 4 and fixed pulley group 10 are the most solid On dolly, can be with dolly transverse shifting, fixed pulley group 4 and fixed pulley group 10 all include 2 fixed pulleys, the one of steel wire rope 2 End is fixed on balance bar 12, and the other end passes around a fixed cunning in two movable pulleys on running block 5 and fixed pulley group 4 successively Being fixed on the left end of reel 1 after wheel, one end of steel wire rope 3 is fixed on balance bar 12, and the other end passes around on running block 5 successively Two movable pulleys and fixed pulley group 4 on a fixed pulley after be fixed on twining of the right-hand member of reel 1, steel wire rope 8 and steel wire rope 9 Identical with the canoe of steel wire rope 2 and steel wire rope 3 around mode, motor is rotated by decelerator band movable reel 1 and reel 2, One end of reel 1 rotation drive steel wire rope 2 and steel wire rope 3 is put down around coiling 1 or from reel 1, and reel 2 rotates and drives steel wire rope 8 and one end of steel wire rope 9 put down around coiling 2 or from reel 1, steel wire rope 2, steel wire rope 3 and steel wire rope 8, the lifting of steel wire rope 9 Drive gantry beam 6 to lift, thus drive the lifting being fixed on the main suspension hook 61 below gantry beam 6, and then drive hangs on main hanging The lifting of the weight on hook 61.
Ladle carne is as the visual plant in process for making, for steelshop molten iron or the handling of molten steel, work High temperature, many dirt adverse circumstances in.In recent years, along with the development of process for making, the operation of ladle carne is more and more heavier, Gantry beam 6 and steel wire rope 2, steel wire rope 3, steel wire rope 8, steel wire rope 9 as the important component part of ladle carne lifting mechanism, When ladle carne works, steel wire rope 2, steel wire rope 3, steel wire rope 8 and steel wire rope 9 constantly move in assembly pulley and lay out, Inevitably there is wear phenomenon in steel wire rope and assembly pulley, and operation is the most frequent, environment is the most severe, steel wire rope and assembly pulley mill That damages is the fastest, and movable pulley the most constantly lifts, and abrasion is more serious, raw in order to ensure the safe and reliable of crane and steel-making The safety produced, running block and steel wire rope all must change in time, and running block is fixed on gantry beam, changes running block i.e. Change gantry beam.
Along with the maximization of steelmaking equipment, the lifting capacity of ladle carne the most constantly increases, gantry beam 6 and steel wire rope Specification keep the large-scale development.Traditional change gantry beam and the method for steel wire rope, be by old steel wire rope all from reel, Rely on manpower to be passed around one by one in assembly pulley by new steel wire rope after pulling down on balance bar and assembly pulley again, be finally fixed on reel and On balance bar, reel, the gimbal lever and fixed pulley position are higher, and when relying on manpower to pass around and fix, labor intensity is big, the longest, Efficiency is low, poor stability;On the other hand, manpower acts on new steel wire rope, and steel wire rope can be made to reverse and produce twisting resistance, manually will After two fag ends of new steel wire rope are fixed, the twisting resistance that new steel wire rope produces is difficult to release, can pass through running block band driven portal Beam reverses, and 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 synchronization changes ladle carne gantry Beam and the method for steel wire rope.
For solving above-mentioned technical problem, the technical scheme is that offer one synchronizes to change ladle carne gantry Beam and the method for steel wire rope, carried out as follows:
S101: old gantry beam is dropped to ground and to remove main hook spacing;Before this, can first do some preparations, than As, new steel wire rope and new gantry beam are positioned over maintenance place, crane is left to service area etc.;
S102: remove the whole old steel wire rope being fixed on balance bar, and by the fag end of described old steel wire rope and the new steel got ready One fag end of cord is fixing to be connected;
S103: disconnect successively and pass around the old steel wire rope on old gantry beam movable pulley, and by the old steel wire rope of described disconnection successively Passing around on the movable pulley of corresponding new gantry beam, the old steel wire rope that then will be switched off is fixing to be connected;
S104: disconnect the connection of old steel wire rope and reel, and fall after the fag end of described old steel wire rope is walked around reel, rise main Suspension hook, so that the motion of old rope traction new steel wire rope, when the fixed connection place to old steel wire rope and new steel wire rope arrives reel Stop rising main suspension hook;
S105: another fag end of new steel wire rope is fixed on balance bar.
First the old steel wire rope being fixed on balance bar is removed, and by new with get ready for the fag end of the old steel wire rope removed One fag end of steel wire rope is fixing to be connected, and the most directly passes around newly after then old steel wire rope being disconnected and removed from old gantry beam On the corresponding pulley of gantry beam, then being fixedly connected as steel cable, rise main suspension hook afterwards, the winding in reel group drives Under, utilize the new steel wire rope of old rope traction to move into assembly pulley, and old steel wire rope is fallen, so, old steel wire rope lays out, new steel Cord moves into, thus the synchronization completing gantry beam and steel wire rope is changed;Fully by rotating machinery strength in Renewal process, effectively Improve working performance, shorten the repair time, greatly reduce labor intensity.Remove before before old steel wire first by under gantry beam It is down to ground, 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 S104, rise main suspension hook, so that the motion of old rope traction new steel wire rope, to old steel The fixed connection place of cord and new steel wire rope stops reducing main suspension hook when arriving reel, including:
S1041: rise main suspension hook, when the old wire rope roll to reel is around to the middle part of reel, stops rising main suspension hook;
S1042: the old steel wire rope being wound in described step S1041 in the middle part of reel is moved on to reel ends;
S1043: repeat step S1041 and S1042, the fixed connection place to new steel wire rope and old steel wire rope stops when arriving reel Rise main suspension hook.
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, exist as follows Situation: " old steel wire rope is longer, when old steel wire rope is wound to the middle part of reel along with the motion of reel, and new steel wire rope and old The fixed connection place of steel wire rope does not also arrive reel, now, reel has not had old steel wire rope continue the space of winding ", this Time, after needing again the old steel wire rope being wound in the middle part of reel is returned to reel ends, followed by main suspension hook of continuing rising, until new steel The fixed connection place of cord and old steel wire rope arrives reel.
Preferably, in described step S1042, the method that the old steel wire rope being wound in the middle part of reel is moved on to reel ends For:
Will be located in the old steel wire rope near reel two ends in the middle part of reel and retract reel two ends respectively, and keep pulling force, then Decline main suspension hook, stop declining main suspension hook when all retreating to reel two ends to old steel wire rope.
In step S104, during the fag end of old steel wire rope falls after walking around reel, the fag end of old steel wire rope can be around pulleying Fall again after cylinder one circle or multi-turn, when falling after the fag end of old steel wire rope walks around reel one week, directly will be wound to reel The old steel wire rope at middle part retracts reel ends, when falling after the fag end of old steel wire rope walks around reel many weeks, then first will need Old steel wire rope near reel two ends retracts reel two ends respectively, and keeps pulling force, then declines main suspension hook, declines main suspension hook Time, the old steel wire rope on reel unrolls and falls, and owing to the old steel wire rope near reel two ends is pulled reel two ends, hangs when main When hook declines, the old steel wire rope being wound on reel can be crossed over mid portion and directly wrap to reel two ends.
Preferably, step S106 is also included after described step S105: by the new steel wire rope of fixing connection and old steel wire rope Separate, and the fag end of new steel wire rope after separating is individually fixed in the two ends of reel.
Preferably, also include between described step S102 and step S103: on the crossbeam of new gantry beam, bolt hangs long steel wire Sling, and long wire line hitch sling tension with auxiliary hook.With long wire line hitch, new gantry beam is sling, make moving on new gantry beam Assembly pulley can preferably work.
Preferably, also include between described step S103 and step S104: by outside the movable pulley being wound on new gantry beam two ends In the upper square groove of the end of the old steel wire rope of side upwards this pulley of pile warp, above the crossbeam of new gantry beam of passing through, to new gantry beam The top notch of the corresponding pulley of the other end.Make steel wire rope is wound as rounding off, will not produce bending and damage.
Preferably, also include between described step S104 and step S105: will be located in the movable pulley of the offside of new gantry beam The steel cord ends at place retracts this side by root.
The technical scheme that the embodiment of the present invention provides can comprise following beneficial effect:
A kind of synchronization that the present invention provides changes ladle carne gantry beam and the method for steel wire rope, by by old steel wire rope from old The most directly pass around after disconnecting on gantry beam and removing on the corresponding pulley of new gantry beam, then be fixedly connected as steel cable, And be connected fixing with a fag end of new steel wire rope for the fag end connecting the old steel wire rope of balance bar, the winding in reel group drives Under, utilizing the new steel wire rope of old rope traction to move into assembly pulley, and old steel wire rope is fallen, old steel wire rope lays out, new steel wire rope Move into, thus the synchronization completing gantry beam and steel wire rope is changed;Fully by rotating machinery strength in Renewal process, it is effectively improved Working performance, shortens the repair time, greatly reduces labor intensity, simultaneously, it is to avoid steel wire rope is produced by artificial drawing Twisting resistance, and then avoid gantry beam torsion, it is ensured that the normal work of gantry beam.
Accompanying drawing explanation
For the clearer explanation embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it is clear that, to those skilled in the art, not On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the main hook wirerope-winding schematic diagram of a kind of ladle carne.
Fig. 2 is that a kind of synchronization that the embodiment of the present invention provides changes ladle carne gantry beam and the schematic diagram of steel wire rope.
Fig. 3 is that a kind of synchronization that the embodiment of the present invention provides changes ladle carne gantry beam and the method flow of steel wire rope Figure.
In figure: reel 1, old steel wire rope 2, old steel wire rope head end 21, old steel cord ends 22, old steel wire rope 3, old steel wire rope Head end 31, old steel cord ends 32, fixed pulley group 4, running block 5, old gantry beam 6, main suspension hook 61, reel 7, old steel wire rope 8, Old steel wire rope head end 81, old steel cord ends 82, old steel wire rope 9, old steel wire rope head end 91, old steel cord ends 92, fixed pulley Group 10, running block 11, balance bar 12, balance bar 13, auxiliary hook 14, long wire line hitch 15, new gantry beam 16, movable pulley 1602, Movable pulley 1603, movable pulley 1608, movable pulley 1609, little hoist engine 17, haulage cable 18, monkey block 19.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the present invention, real below in conjunction with the present invention Execute the accompanying drawing in example, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described enforcement Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, art technology The every other embodiment that personnel are obtained under not making creative work premise, all should belong to the protection model of the present invention Enclose.
Canoe based on the ladle carne main hook steel wire rope shown in Fig. 1, refer to Fig. 2, show the present invention real Executing a kind of replacing ladle carne gantry beam and schematic diagram of steel wire rope of synchronizing that example provides, casting lifting is changed in described synchronization The method of machine gantry beam and steel wire rope is carried out according to the method flow shown in Fig. 3.
From the figure 3, it may be seen that ladle carne gantry beam and the method for steel wire rope are changed in the synchronization that the embodiment of the present invention provides, press Carry out according to following steps:
S101: old gantry beam 6 is dropped to ground and to remove main hook spacing;Before this, first by new steel wire rope and new gantry beam 16 are positioned over maintenance place, drive crane to service area etc.;
In the present embodiment, when main suspension hook 61 arrives ground, by long steel wire rope buckle bolt on the crossbeam of old gantry beam 6, then hang Hanging oneself surely at auxiliary hook 14, operate main suspension hook 61 and auxiliary hook 14 the most simultaneously, old gantry beam 6 is placed on ground at cooperation by both On, old gantry beam 6 is placed back to back with the new gantry beam 16 placed in advance, close proximity to, the now main suspension hook side of two gantry beams To contrary horizontal on ground, auxiliary hook 14 keeps straining long wire line hitch 15.
Owing to main suspension hook 61 is fixed on below gantry beam 6, decline gantry beam 6 and i.e. decline main suspension hook 61, in the present embodiment, when After gantry beam 6 drops to ground, proceed to decline main suspension hook 61 and operate, by the old steel wire rope 2 on reel 1 and reel 7, old steel Cord 3, old steel wire rope 8, old steel wire rope 9 discharge the most earthward, until the old steel wire rope at reel 1 and 7 two ends remains with 3-4 Circle, stops fall hook operation;Steel wire rope is typically fixed on reel by steel wire rope pressing plate, when stopping fall hook operation, makes steel wire rope Pressing plate is just in reel 1 and the top half of reel 7, to facilitate follow-up dismounting steel wire rope pressing plate.
S102: remove the whole old steel wire rope that is fixed on balance bar, and by the fag end of described old steel wire rope with get ready One fag end of new steel wire rope is fixing to be connected;
First, by balance bar 12 and the old steel wire rope 2 equipped with the steel cable collar at the gimbal lever 13 two ends, old steel wire rope 3, old steel wire rope 8 and the end 22,32,82 and 92 of old steel wire rope 9 remove respectively and fall earthward, then by the old steel wire rope 2 fallen, old steel wire Rope 3, old steel wire rope 8 and old steel wire rope 9 disconnect at wire clips, and the mode present invention of disconnection does not limit, and use in the present embodiment Above-mentioned old steel wire rope is cut off at wire clips by gas cutting;Then the old steel wire rope 2 after cutting off, old steel wire rope 3, old steel wire rope 8 and One fag end of the new steel wire rope that the fag end of the end 22,32,82 and 92 of old steel wire rope 9 is got ready with four respectively is fixing to be connected, Connected mode can be to weld or other, and the present invention is not construed as limiting.Additionally, herein can be the most not new steel wire rope and old steel wire Rope connects, and reconnects after being placed on step S103, makes the more convenient operation of step S103, in the present embodiment, in order to follow-up Easy to operate, herein simply by the end 22,32,82 and 92 of old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 Fall to ground, and it is not connected with new steel wire rope.
It addition, the present embodiment is during reel winds more change steel rope, it is the most just rising the number of turns of winding Number of turns during Chang Zuoye, therefore, on dismounting balance bar before old steel wire rope, needs first to remove main hook spacing.
S103: disconnect successively and pass around the old steel wire rope on old gantry beam movable pulley, and by the old steel wire rope of described disconnection Passing around successively on the movable pulley of corresponding new gantry beam, the old steel wire rope that then will be switched off is fixing to be connected;
By old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 from each the dynamic cunning near old gantry beam 16 two ends Cut off at wheel, and labelling is carried out in extraction from each movable pulley, then carry out dropping the operation of auxiliary hook 14, by the horizontal stroke of old gantry beam 6 Long wire line hitch 15 on beam is taken from auxiliary hook 14, and by long wire line hitch 15 bolt on the crossbeam of new gantry beam 16, uses auxiliary hook 14 sling, and strain long wire line hitch 15, and then operation trolley travelling is to the surface of new gantry beam 16, successively by aforementioned from old dragon The old steel wire rope extracting and carrying out labelling in door beam 6 out passes around the corresponding movable pulley into new gantry beam 16 two ends one by one according to labelling On, and with gas welding torch by the aforementioned fag end firm welding cut off, pass around pulley one joint of welding, first pass around and welding ends On the movable pulley in portion, then to middle pulley lay winding wire ropes and welding point.
After aforesaid operations completes, by be wound on outside new gantry beam 16 one end old steel cord ends 22 on the left of pulley 1602 to In the upper square groove of this pulley 1602 of upper pile warp, then to new gantry beam 16 other end above the crossbeam of new gantry beam 16 of passing through to the right Notch above corresponding pulley 1608, until it is outer to ground to stretch out new gantry beam 16, on movable pulley 1603 old steel cord ends 32 and Old steel cord ends 22 same way is placed;New gantry beam 16 other end steel cord ends 82 and 92 processes the most in this way.This What mode made steel wire rope is wound as rounding off, will not produce bending and damage.
After aforesaid operations completes, by the end 22 of old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9,32, The fag end of 82 and 92 is fixing with the new steel wire rope got ready to be connected, and the present embodiment uses welding.
S104: disconnect the connection of old steel wire rope and reel, and fall after the fag end of described old steel wire rope is walked around reel, on Rising main suspension hook, so that the motion of old rope traction new steel wire rope, the fixed connection place to old steel wire rope and new steel wire rope arrives volume Stop during cylinder rising main suspension hook;
First remove the steel wire rope pressing plate at reel 1 two ends, old steel wire rope 2 and old steel wire rope 3 are discharged, by old steel from reel 1 The head end 21 and 31 of cord 2 and old steel wire rope 3 rides over above opposite reel 7, and outwards leans out, and processes reel 7 by same way On old steel wire rope 8 and old steel wire rope 9, then carry out the operation of liter main hook, make reel 1 and reel 7 slowly rise rotation, meanwhile, The head end 21,31,81 and 91 of old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 is applied pulling force slightly, so that Old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 do not skid on reel 1 and reel 7 and are as the criterion;Along with reel 1 Rising with reel 7 rotates, and takes advantage of a situation external from crane to old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 Side falls, and surface personnel catches old steel wire rope and immediately coils lopping, and meanwhile, ground maintainer looks after steel wire rope and prevents Go out groove;Until the fixed connection place of old steel wire rope and new steel wire rope stops rising main suspension hook, then by old steel wire when arriving reel The fixed connection place of rope and new steel wire rope disconnects, and the fag end of the new steel wire rope after will be switched off is separately fixed at reel 1 and reel 7 Two ends.
Further, in order to make the fixed connection place of new steel wire rope and old steel wire rope arrive reel 1 and reel 7, main rising During suspension hook 61, there is following situation: " old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 or old steel wire rope 9 are longer, when old steel wire Rope 2, old steel wire rope 3, old steel wire rope 8 or old steel wire rope 9 are wound to reel 1 or reel 7 along with reel 1 and the motion of reel 7 Middle part time, the fixed connection place of new steel wire rope and old steel wire rope does not also arrive reel 1 or reel 7, now, on reel 1 or Old steel wire rope has not been had to continue the space of winding on reel 7 ", at this time, it may be necessary to the old steel wire rope weight in the middle part of reel will be wound to After being newly returned to the end of reel 1 or reel 7, followed by main suspension hook 61 of continuing rising, until new steel wire rope and old steel wire rope is fixing Junction arrives reel.
S105: another fag end of four new steel wire ropes is individually fixed on balance bar 12 and balance bar 13, this enforcement The method used in example is as follows:
Along with reel 1 and the rotation of reel 7, new steel wire rope gradually passes around in assembly pulley, when old steel wire rope and new steel wire rope When fixed connection place arrives reel, end 22,32,82,92 position of aforementioned old steel wire rope has become the end of new steel wire rope, The end of these new steel wire ropes is gone back to this side, such as, the oldest steel cord ends 22 by root from new gantry beam 16 offside backfash The new steel wire rope at the place of putting moves on to the left side of pulley 1602 from the right side of new gantry beam 16;The new steel of old steel cord ends 82 position Cord moves on to the right side of pulley 1608 from the left side of new gantry beam 16;Then the end of these new steel wire ropes is fixed on balance bar On 12 and 13, the new steel wire rope head in the left side of new gantry beam 16 is fixed on left hand balance thick stick 12, on the right side of new gantry beam 16 The new steel wire rope head of side is fixed on right hand balance thick stick 13.
Then little hoist engine 17 is utilized to be individually fixed in by the end of four new steel wire ropes on balance bar 12 and balance bar 13, By the haulage cable 18 of little hoist engine 17 after the monkey block 19 hanging on house beam from balance bar 12 or balance bar 13 Lacing hole on lower body falls earthward, and ties up with the end of the new steel wire rope installing steel cable ring set, starts little hoist engine New steel wire rope is pulled and is fixed on balance bar 12 or balance bar 13 by 17, so, by the most solid for the end of four new steel wire ropes On balance bar.
After above-mentioned steps is fully completed, commander's hoister crawl rises or slowly hooks up operation, first strains main suspension hook New steel wire rope between the assembly pulley of 61, then operate cooperation with main suspension hook 61 and auxiliary hook 14 and make new gantry beam 16 steadily rise overhead, Period is it is noted that prevent new steel wire rope from going out groove;Then the long wire line hitch 15 hanging Xinlong door beam 16 on auxiliary hook 14 is extractd;Then It is raised to close on highest order by new gantry beam 16, recovers and adjust main hook electric limiting, and carry out repeatedly test run, it is ensured that be errorless;? After old gantry beam 6, old steel wire rope 2, old steel wire rope 3, old steel wire rope 8, old steel wire rope 9, various Work tool and cleaning oil pollution are done Only, handing-over handled by maintainer and hoister, and crane puts into production operation.
To sum up, what the embodiment of the present invention provided synchronize change the method for ladle carne gantry beam and steel wire rope can be according to Following steps are carried out successively:
Step 1: in advance new steel wire rope and new gantry beam 16 are transported to predetermined maintenance and changes point.
Step 2: commander's crane runs to place new gantry beam 16 service area, and commander's hoister operation declines main Suspension hook 61, hangs over auxiliary hook 14 after fastening on old gantry beam 6 crossbeam with long wire line hitch 15 when the plate hook of old gantry beam touches ground Hang oneself steady.
Step 3: simultaneously operate main suspension hook 61 and auxiliary hook 14, old gantry beam 6 is placed on the ground at cooperation by both, and plate hook is hung Fork supports on the ground, and plate hook lies in ground;Old gantry beam 6 is placed back to back with the new gantry beam 16 placed in advance, as far as possible Close, the horizontal that now plate hook of two gantry beams is in opposite direction is on ground;Auxiliary hook 14 keeps straining long wire line hitch 15.
Step 4: it is spacing that electric personnel remove main hook.
Step 5: commander's hoister operates by declining main suspension hook 61, by the old steel wire rope 2 on reel 1 and reel 7, old Steel wire rope 3 and old steel wire rope 8, old steel wire rope 9 discharge the most earthward, until the old steel wire rope in reel 1 and 7 two ends remains with 3-4 Circle, stops fall hook operation, and now guarantee steel wire rope pressing plate is in reel 1 and the top half of reel 7, to facilitate dismounting.
Step 6: by balance bar 12 and the old steel cord ends 22,32,82,92 equipped with the steel cable collar at balance bar 13 two ends Remove and fall earthward.
Step 7: with gas cutting by the old steel cord ends 22 fallen, old steel cord ends 32, old steel cord ends 82 and old Steel cord ends 92 cuts off respectively at wire clips.
Step 8: by the old steel wire rope 2 between the running block 5 on the old gantry beam of root backfash 6 and fixed pulley group 4 and old steel The old steel wire rope 8 between running block 11 and fixed pulley group 10 in cord 3 and old gantry beam 6 and old steel wire rope 9, make sliding Rope capacity between wheels and fixed pulley group increases.
Step 9: by old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 near old gantry beam 6 two ends Cut off at each movable pulley, extract out from pulley and carry out labelling.
Step 10: fall auxiliary hook 14, takes the long wire line hitch 15 of old gantry beam 6 crossbeam from auxiliary hook 14.
Step 11: bolt is hung long wire line hitch 15 and slings with auxiliary hook 14 on new gantry beam 16 crossbeam, strains long steel wire rope Button 15.
Step 12: operation main carriage moves to the surface of new gantry beam 16.
Step 13: successively by old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 by performing in step 9 Labelling passes around on the corresponding pulley at new gantry beam 16 two ends one by one, and is welded by fag end solid and smooth with gas welding torch;Pass around one Individual pulley one joint of welding, first passes around steel cord ends 22 on pulley 1602, or is first passed around by steel cord ends 32 On pulley 1603, first steel cord ends 82 is passed around on pulley 1608, first steel cord ends 92 is passed around on pulley 1609, After having welded joint, then to middle pulley lay winding wire ropes and welding point.
Step 14: should by being wound on outside new gantry beam 16 one end the old steel cord ends 22 upwards pile warp on the left of pulley 1602 In the upper square groove of pulley 1602, then to the corresponding pulley of new gantry beam 16 other end above the crossbeam of new gantry beam 16 of passing through to the right Notch above in the of 1608, until it is outer to ground to stretch out new gantry beam 16, old steel cord ends 32 and old steel wire rope on movable pulley 1603 End 22 same way is placed;New gantry beam 16 other end steel cord ends 82 and steel cord ends 92 process the most in this way. What the manner made steel wire rope is wound as rounding off, will not produce bending and damage.
Step 15: on the ground with gas welding by old steel cord ends 22, old steel cord ends 32, old steel cord ends 82 and The old fag end of old steel cord ends 92 firmly welds together with new steel wire rope head respectively.
Step 16: the maintainer on monkey removes reel 1 end steel wire rope pressing plate one by one, by old steel wire rope 2 From reel 1, discharge 1-2 circle respectively ride over roll as old steel wire rope head end 21 and old steel wire rope head end 31 with old steel wire rope 3 Above cylinder 7, and outwards lean out, preferably stretch out car body from cart guardrail;The old steel wire rope head end on reel 7 is processed by same way 81 and old steel wire rope head end 91.
Step 17: commander's hoister carries out a liter main hook operation, makes reel 1 and reel 7 slowly rise rotation, rises simultaneously Personnel on heavy-duty machine dolly catch and have stretched out the old steel wire rope head end 21 of reel 1 and reel 7, old steel wire rope head end 31, old steel Cord head end 81 and old steel wire rope head end 91, apply pulling force slightly, and not skidding on reel 1 and reel 7 with old steel wire rope is as the criterion; Along with reel 1 and reel 7 rising rotate, take advantage of a situation by old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 from The external side of heavy-duty machine falls, and ground has people catch old steel wire rope and immediately coil lopping;Meanwhile, ground maintainer looks after steel wire rope Prevent out groove.
Step 18: wait the old wire rope roll on reel 1 and reel 7 detour to the middle part closing on reel 1 and reel 7 time, logical Know that hoister stops.
Step 19: by the end original position of the old steel wire rope backfash in the middle of reel 1 and reel 7 to two winding drum: first will Old steel wire rope close to reel ends pulls to this side end as possible and keeps pulling force, then operates main hook fall hook operation, along with reel Slowly decline rotation, be wound on the end original position with regard to Periostracum Cicadae to reel of the old steel wire rope in the middle of reel.
Step 20: continuing serving operation, period step 18 to be repeated and 19, until new steel wire rope and the joint of old steel wire rope Roll out reel 1 and reel 7 to just leaning out cart car body.
Step 21: repeat step 19, new steel wire rope is moved on to reel 1 and the end of reel 7, and ensures the pressing plate on reel Spiro keyhole position is in the first half of reel, to facilitate compression steel wire rope.
Step 22: new steel wire rope pressing plate is fixed on reel 1 and the two ends of reel 7, the steel wire rope pressing plate of end wouldn't Install.
Step 23: new steel wire rope has passed around into assembly pulley along with the rotation of reel 1 and reel 7, therefore, old steel now What cord end was placed is the end of new steel wire rope, by the four of ground upper balance bars 12 and the new steel wire rope end of balance bar 13 End 22,32,82 and 92 goes back to this side by root from new gantry beam 16 offside backfash.If new steel cord ends 22 is from the right side of new gantry beam 16 Sidesway is to the left side of pulley 1602;New steel cord ends 82 moves on to the right side of pulley 1608 from the left side of new gantry beam 16.
Step 24: by the haulage cable 18 of little hoist engine 17 after the monkey block 19 hanging on house beam from balance bar 12 or balance bar 13 lower body on lacing hole fall earthward, and install the new steel cord ends 22 of the steel cable collar or new steel wire rope End 32 or new steel cord ends 82 or new steel cord ends 92 tie up, and start little hoist engine 17 and are pulled by new steel wire rope and consolidate It is scheduled on balance bar 12 or balance bar 13.
Step 25: place at old steel wire rope head end now is new steel wire rope head end, with gas cutting from new steel wire rope head end 21, cut off at the new and old welding point at new steel wire rope head end 31, new steel wire rope head end 81 and new steel wire rope head end 91, old steel wire Rope is put into ground;Repair new cable wire end, the end steel wire rope pressing plate on reel 1 and reel 7 is installed.
Step 26: commander's hoister crawl rises or slowly hook up operation, the first steel wire between tension main hook assembly pulley Rope, then operate cooperation with main suspension hook 61 and auxiliary hook 14 and make new gantry beam 16 steadily rise overhead, period is it is noted that prevent steel wire rope Go out groove.
Step 27: extract the long wire line hitch 15 hanging Xinlong door beam 16 on auxiliary hook 14.
Step 28: new gantry beam 16 is raised to close on highest order by hoister.
Step 29: electrically PERSONNEL RECOVERY and adjustment main hook electric limiting, contact hoister test run is repeatedly, it is ensured that nothing By mistake.
Step 30: the Work tool on old gantry beam 6, old steel wire rope, Work tool, crane main carriage and cleaning oil pollution are done Only, handing-over handled by maintainer and hoister, and crane puts into production operation.
It should be noted last that, above example is only in order to illustrate technical scheme and unrestricted.Although ginseng According to embodiment, the present invention is described in detail, it will be understood by those within the art that, the technical side to the present invention Case is modified or equivalent, and without departure from the spirit and scope of technical solution of the present invention, it all should be contained in the present invention Right in the middle of.

Claims (7)

1. one kind synchronizes to change ladle carne gantry beam and the method for steel wire rope, it is characterised in that carry out as follows:
S101: old gantry beam is dropped to ground and to remove main hook spacing;
S102: remove the whole old steel wire rope being fixed on balance bar, and by the fag end of described old steel wire rope and the new steel got ready One fag end of cord is fixing to be connected;
S103: disconnect successively and pass around the old steel wire rope on old gantry beam movable pulley, and by the old steel wire rope of described disconnection successively Passing around on the movable pulley of corresponding new gantry beam, the old steel wire rope that then will be switched off is fixed together;
S104: disconnect the connection of old steel wire rope and reel, and fall after the fag end of described old steel wire rope is walked around reel, then go up Rising main suspension hook, so that the motion of old rope traction new steel wire rope, the fixed connection place to old steel wire rope and new steel wire rope arrives volume Stop during cylinder rising main suspension hook;
S105: another fag end of new steel wire rope is fixed on balance bar.
The most according to claim 1 synchronization changes ladle carne gantry beam and the method for steel wire rope, it is characterised in that institute State in step S104, rise main suspension hook, so that the motion of old rope traction new steel wire rope, to consolidating of old steel wire rope and new steel wire rope Determine to stop reducing main suspension hook when junction arrives reel, including:
S1041: rise main suspension hook, when the old wire rope roll to reel is around to the middle part of reel, stops rising main suspension hook;
S1042: the old steel wire rope being wound in described step S1041 in the middle part of reel is moved on to reel ends;
S1043: repeat step S1041 and S1042, the fixed connection place to new steel wire rope and old steel wire rope stops when arriving reel Rise main suspension hook.
The most according to claim 2 synchronization changes ladle carne gantry beam and the method for steel wire rope, it is characterised in that institute State in step S1042, by the method that the old steel wire rope being wound in the middle part of reel moves on to reel ends be:
Will be located in the old steel wire rope near reel two ends in the middle part of reel and retract reel two ends respectively, and keep pulling force, then Decline main suspension hook, stop declining main suspension hook when all retreating to reel two ends to old steel wire rope.
4. change ladle carne gantry beam and the method for steel wire rope, its feature according to the arbitrary described synchronization of claim 1-3 It is, also includes step S106 after described step S105: separated with old steel wire rope by the new steel wire rope of fixing connection, and will divide The fag end of the new steel wire rope after from is individually fixed in the two ends of reel.
The most according to claim 4 synchronization changes ladle carne gantry beam and the method for steel wire rope, it is characterised in that institute State and also include between step S102 and step S103:
On the crossbeam of new gantry beam, bolt hangs long wire line hitch, and is sling by long wire line hitch tension with auxiliary hook.
The most according to claim 5 synchronization changes ladle carne gantry beam and the method for steel wire rope, it is characterised in that institute State and also include between step S103 and step S104:
By in the upper square groove of end upwards this pulley of pile warp of old steel wire rope being wound on outside the movable pulley at new gantry beam two ends, OK Above the crossbeam of new gantry beam, to the top notch of the corresponding pulley of the new gantry beam other end.
The most according to claim 6 synchronization changes ladle carne gantry beam and the method for steel wire rope, it is characterised in that institute State and also include between step S104 and step S105:
Steel cord ends at the movable pulley of the offside that will be located in new gantry beam retracts this side by root.
CN201610391635.8A 2016-06-06 2016-06-06 The synchronous method for changing ladle carne gantry beam and steel wire rope Active CN106044574B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610391635.8A CN106044574B (en) 2016-06-06 2016-06-06 The synchronous method for changing ladle carne gantry beam and steel wire rope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610391635.8A CN106044574B (en) 2016-06-06 2016-06-06 The synchronous method for changing ladle carne gantry beam and steel wire rope

Publications (2)

Publication Number Publication Date
CN106044574A true CN106044574A (en) 2016-10-26
CN106044574B CN106044574B (en) 2017-07-07

Family

ID=57170185

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610391635.8A Active CN106044574B (en) 2016-06-06 2016-06-06 The synchronous method for changing ladle carne gantry beam and steel wire rope

Country Status (1)

Country Link
CN (1) CN106044574B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN111960184A (en) * 2020-08-18 2020-11-20 马鞍山钢铁股份有限公司 Replacement structure and replacement method for single steel wire rope of metallurgical crane
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
CN112794168A (en) * 2019-11-14 2021-05-14 上海梅山钢铁股份有限公司 Grab bucket steel wire rope replacing device for bridge type grab bucket ship unloader

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007137557A (en) * 2005-11-16 2007-06-07 Mitsubishi Heavy Ind Ltd Rope exchange method and crane
CN102009917A (en) * 2010-10-26 2011-04-13 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
JP2013203530A (en) * 2012-03-29 2013-10-07 Kitagawa Iron Works Co Ltd Compound tackle mechanism of crane
CN104803285A (en) * 2015-03-27 2015-07-29 山东钢铁股份有限公司 Method for replacing movable pulley block in bridge crane
CN104828696A (en) * 2015-03-27 2015-08-12 山东钢铁股份有限公司 Movable pulley set and wire rope replacing method used for bridge type crane
CN104944282A (en) * 2015-05-07 2015-09-30 山东钢铁股份有限公司 Method for replacing steel wire rope in crane

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007137557A (en) * 2005-11-16 2007-06-07 Mitsubishi Heavy Ind Ltd Rope exchange method and crane
CN102009917A (en) * 2010-10-26 2011-04-13 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
JP2013203530A (en) * 2012-03-29 2013-10-07 Kitagawa Iron Works Co Ltd Compound tackle mechanism of crane
CN104803285A (en) * 2015-03-27 2015-07-29 山东钢铁股份有限公司 Method for replacing movable pulley block in bridge crane
CN104828696A (en) * 2015-03-27 2015-08-12 山东钢铁股份有限公司 Movable pulley set and wire rope replacing method used for bridge type crane
CN104944282A (en) * 2015-05-07 2015-09-30 山东钢铁股份有限公司 Method for replacing steel wire rope in crane

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112794168A (en) * 2019-11-14 2021-05-14 上海梅山钢铁股份有限公司 Grab bucket steel wire rope replacing device for bridge type grab bucket ship unloader
CN111960184A (en) * 2020-08-18 2020-11-20 马鞍山钢铁股份有限公司 Replacement structure and replacement method for single steel wire rope of metallurgical crane
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
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

Also Published As

Publication number Publication date
CN106044574B (en) 2017-07-07

Similar Documents

Publication Publication Date Title
CN105800490A (en) Method for replacing crane main hook steel wire rope
CN105016184B (en) Vertical multirope friction winder process for replacing hoisting ropes
CN106044574B (en) The synchronous method for changing ladle carne gantry beam and steel wire rope
CN102267664B (en) Method for installing bridge crane using load-supporting roof beam for hoisting and usage thereof
CN202090286U (en) Traction system suitable for self-anchored type double cable plane suspension bridge
CN110877852B (en) System and method for quickly replacing rope of vertical shaft friction type elevator
CN206126684U (en) Electric installation is got in automation of overhead wiping line
CN108002229B (en) A kind of low clearance box culvert part loop wheel machine with turn over function
CN106049208A (en) High-speed railway turnout large-size component replacing and laying device and method
CN102030270B (en) Auxiliary tool and method for replacing wire rope of bridge crane
CN105905806B (en) Metallurgical crown block steel rope replacing device and production method and application method
CN107150945A (en) Headframe formula four-rope friction winder head rope replacing options
CN110294427B (en) Method for replacing steel wire rope of main hoisting system of large tower crane
CN104452594B (en) Many fulcrums dragline method changes rope device
CN106698223A (en) Replacing method of travelling crane main hook steel wire rope
CN109607384A (en) The turn-over method of super-large-diameter shield machine knife disk
CN203269351U (en) Forceps clip used on crane and used for lifting barrel-shaped objects
CN203976242U (en) A kind of generator unit stator associating hanging apparatus
JP5841929B2 (en) How to change the main rope of the elevator
CN207738303U (en) A kind of generator unit stator lifting steering
CN110240076B (en) Improved system and method for replacing steel wire rope of shunting winch
CN202023178U (en) Slantingly pulling two-way gantry hoist for dam body gate
CN111762697A (en) Large-span cable crane dismantling construction method adjacent to railway business line
CN109378767A (en) A kind of lifting engineering method of hoist engine to skyscraper electricity well inner cable
CN204416914U (en) The hook assembly of high pedestal jib crane

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant