CN106044574B - The synchronous method for changing ladle carne gantry beam and steel wire rope - Google Patents

The synchronous method for changing ladle carne gantry beam and steel wire rope Download PDF

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Publication number
CN106044574B
CN106044574B CN201610391635.8A CN201610391635A CN106044574B CN 106044574 B CN106044574 B CN 106044574B CN 201610391635 A CN201610391635 A CN 201610391635A CN 106044574 B CN106044574 B CN 106044574B
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China
Prior art keywords
wire rope
steel wire
old
reel
gantry
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CN201610391635.8A
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CN106044574A (en
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孙吉才
焦见宝
李瑞峰
郑宏祥
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Shandong Iron and Steel Co Ltd
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Shandong Iron and Steel Co Ltd
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    • 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 present invention provides a kind of synchronous method for changing ladle carne gantry beam and steel wire rope, directly passed around again onto the corresponding pulley of new gantry beam after old steel wire rope is disconnected and removed from old gantry beam, steel cable is fixedly connected as again, and the fag end of old steel wire rope for connecting balance bar is fixedly connected with a fag end of new steel wire rope, in the case where the winding of reel group drives, assembly pulley is moved into using the new steel wire rope of old rope traction, and fall old steel wire rope, old steel wire rope lays out, new steel wire rope is moved into, so as to complete the synchronous replacing of gantry beam and steel wire rope;Fully by rotating machinery strength in Renewal process, operating efficiency is effectively increased, shorten the repair time, greatly reduce labour intensity.

Description

The synchronous method for changing ladle carne gantry beam and steel wire rope
Technical field
The invention belongs to technical field of crane equipment, and in particular to a kind of synchronous replacing ladle carne gantry beam and steel The method of cord.
Background technology
Crane refers to many action hoisting machineries of vertical-lift within the specific limits and horizontal carrying heavy goods, belongs to material Handling machinery.By structure type, crane is broadly divided into small-sized crane gear, bridge(Bridge-type, gate-type)Crane, arm support Formula(Self-propelled, tower, seat type, railway formula, floating vessel type, masts type)Crane, cable crane.Ladle carne is bridge One kind of formula crane, generally comprises machinery, electric and metal structure three parts.Mechanical part is divided into three mechanisms again, i.e., Lifting mechanism, wheeling mechanism and traveling mechanism of the larger traveller.Lifting mechanism is used to be vertically moved up or down article, and wheeling mechanism is used for Band dynamic loading moves laterally;Traveling mechanism of the larger traveller is used to vertically move trolley and article.
Ladle carne lifting mechanism as mechanical part important composition mechanism, mainly including motor, brake, subtract Fast device, reel group, gantry beam, running block, fixed pulley group, balance bar, suspension hook group and steel wire rope etc., suspension hook group include 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 for showing a kind of ladle carne is twined In figure, Fig. 1, two groups of movable pulleys are symmetrically fixed with gantry beam 6, accordingly, 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 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 solid Due on dolly, can include 2 fixed pulleys, the one of steel wire rope 2 with dolly transverse shifting, fixed pulley group 4 and fixed pulley group 10 End is fixed on balance bar 12, in two movable pulleys and the fixed pulley group 4 that the other end passes around on running block 5 successively one it is fixed sliding The left end of reel 1 is fixed on after wheel, one end of steel wire rope 3 is fixed on balance bar 12, and the other end is passed around on running block 5 successively Two movable pulleys and fixed pulley group 4 on a fixed pulley after be fixed on the right-hand member of reel 1, steel wire rope 8 and steel wire rope 9 are twined 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, Reel 1 is rotated and drives one end of steel wire rope 2 and steel wire rope 3 to be put down around coiling 1 or from reel 1, and reel 2 is rotated 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 Gantry beam 6 is driven to lift, so that the lifting of the main suspension hook 61 for being fixed on the lower section of gantry beam 6 is driven, and then drive hangs on master and hangs The lifting of the weight on hook 61.
Ladle carne, for the handling of steelshop molten iron or molten steel, works as the visual plant in process for making In high temperature, the adverse circumstances of many dirt.In recent years, 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 ladle carne lifting mechanism important component, When ladle carne works, steel wire rope 2, steel wire rope 3, steel wire rope 8 and steel wire rope 9 are constantly moved into and laid out in assembly pulley, Inevitably there is wear phenomenon in steel wire rope and assembly pulley, and operation is more frequent, environment is more severe, and steel wire rope and assembly pulley grind That damages is faster, and movable pulley is operationally constantly lifted, and abrasion is more serious, in order to ensure that the safe and reliable of crane and steel-making give birth to The safety of product, running block and steel wire rope must all be changed in time, and running block is fixed on gantry beam, changed running block and are Change gantry beam.
With the maximization of steelmaking equipment, the lifting capacity also constantly increase therewith of ladle carne, gantry beam 6 and steel wire rope Specification keep the large-scale development.Traditional method for changing gantry beam and steel wire rope, be by old steel wire rope all from reel, New steel wire rope is passed around into assembly pulley one by one by manpower again after being pulled down on balance bar and assembly pulley, be finally fixed on reel and On balance bar, reel, balancing pole and fixed pulley position are higher, and labour intensity is big when passing around and fix by manpower, and time-consuming, Efficiency is low, and security is poor;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 is produced is difficult release, can be by running block band driven portal Beam is reversed, and influence is normally used.
The content of the invention
It is an object of the present invention to overcome the deficiencies in the prior art, there is provided a kind of synchronous replacing ladle carne gantry The method of beam and steel wire rope.
In order to solve the above technical problems, the technical scheme is that:A kind of synchronous replacing ladle carne gantry is provided The method of beam and steel wire rope, is carried out as follows:
S101:Old gantry beam is dropped into ground and to remove main hook spacing;Before this, some beam workers can first be done Make, such as, new steel wire rope and new gantry beam are positioned over maintenance place, crane is driveed to service area etc.;
S102:The dismounting old steel wire rope of whole that is fixed on balance bar, and by the fag end of the old steel wire rope with get ready One fag end of new steel wire rope is fixedly 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 the disconnection Pass around successively on the movable pulley of corresponding new gantry beam, the old steel wire rope that then will be switched off is fixedly connected;
S104:Disconnect the connection of old steel wire rope and reel, and fall after the fag end of the old steel wire rope is bypassed into reel, on Main suspension hook is risen, so that the new steel wire rope motion of old rope traction, volume is reached to the fixed connection place of old steel wire rope and new steel wire rope Stop rising main suspension hook during cylinder;
S105:Another fag end of new steel wire rope is fixed on balance bar.
The old steel wire rope that will be fixed on balance bar first is removed, and the fag end of the old steel wire rope removed is new with what is got ready One fag end of steel wire rope is fixedly connected, and is directly passed around again after then old steel wire rope is disconnected and removed from old gantry beam to new On the corresponding pulley of gantry beam, then steel cable is fixedly connected as, main suspension hook is risen afterwards, driven in the winding of reel group Under, assembly pulley is moved into using the new steel wire rope of old rope traction, and old steel wire rope is fallen, in this way, old steel wire rope lays out, new steel Cord is moved into, so as to complete the synchronous replacing of gantry beam and steel wire rope;Fully by rotating machinery strength in Renewal process, effectively Operating efficiency is improve, the repair time is shortened, labour intensity is greatly reduced.Remove preceding first by under gantry beam before old steel wire Ground is down to, so that the stress of the old steel wire rope being wrapped between movable pulley and fixed pulley reduces, convenient operation.
Preferably, in the step S104, main suspension hook is risen, so that the new steel wire rope motion of old rope traction, to old steel The fixed connection place of cord and new steel wire rope stops rising main suspension hook when reaching reel, including:
S1041:Rise main suspension hook, to reel on old wire rope roll around to reel middle part when, stop rising main suspension hook;
S1042:The old steel wire rope being wound in the step S1041 in the middle part of reel is moved on into reel ends;
S1043:Repeat step S1041 and S1042, when reaching reel to the fixed connection place of new steel wire rope and old steel wire rope Stop rising main suspension hook.
In order that the fixed connection place of new steel wire rope and old steel wire rope reaches reel, when main suspension hook is risen, exist as follows Situation:" old steel wire rope is more long, when old steel wire rope is wound to the middle part of reel with the motion of reel, new steel wire rope and old The fixed connection place of steel wire rope does not reach reel also, now, continues the space of winding on reel without old steel wire rope ", this When, it is necessary to the old steel wire rope that will be wound in the middle part of reel is returned to reel ends again after, followed by main suspension hook of continuing rising, until new steel The fixed connection place of cord and old steel wire rope reaches reel.
Preferably, in the step S1042, the method that the old steel wire rope in the middle part of reel moves on to reel ends will be wound to For:
The old steel wire rope near reel two ends being located in the middle part of reel is retracted into reel two ends respectively, and keeps 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, the fag end of old steel wire rope is bypassed in fall after reel, and the fag end of old steel wire rope can be around pulleying Fallen again after the circle of cylinder one or multi-turn, when being fallen after the fag end of old steel wire rope bypasses reel one week, will directly be wound to reel The old steel wire rope at middle part retracts reel ends, when being fallen after the fag end of old steel wire rope bypasses 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 When, the old steel wire rope on reel unrolls and falls, because the old steel wire rope near reel two ends is pulled reel two ends, when master hangs When hook declines, the old steel wire rope on reel can directly wrap to reel two ends across center section.
Preferably, step S106 is also included after the step S105:The new steel wire rope that will be fixedly connected and old steel wire rope Separate, and by separation after the fag end of new steel wire rope be individually fixed in the two ends of reel.
Preferably, also include between the step S102 and step S103:Bolt hangs steel wire long on the crossbeam of new gantry beam Sling, and wire line hitch long is sling tension with auxiliary hook.New gantry beam is sling with wire line hitch long, is made dynamic on new gantry beam Assembly pulley can preferably work.
Preferably, also include between the step S103 and step S104:To be wound on outside the movable pulley at new gantry beam two ends In the upper square groove of the upward pile warp pulley in end of the old steel wire rope of side, the crossbeam top 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 the step S104 and step S105:The movable pulley of the offside of new gantry beam will be located at The steel cord ends at place are moved back to this side by root.
Technical scheme provided in an embodiment of the present invention can include following beneficial effect:
A kind of synchronous method for changing ladle carne gantry beam and steel wire rope that the present invention is provided, by by old steel wire rope Directly passed around again onto the corresponding pulley of new gantry beam after disconnecting and remove from old gantry beam, then be fixedly connected as a steel wire Rope, and the fag end of old steel wire rope for connecting balance bar is fixedly connected with a fag end of new steel wire rope, in the winding of reel group Under drive, assembly pulley is moved into using the new steel wire rope of old rope traction, and old steel wire rope is fallen, old steel wire rope lays out, new steel Cord is moved into, so as to complete the synchronous replacing of gantry beam and steel wire rope;Fully by rotating machinery strength in Renewal process, effectively Operating efficiency is improve, the repair time is shortened, labour intensity is greatly reduced, while, it is to avoid artificial drawing is to steel wire rope Twisting resistance is produced, and then avoids gantry beam torsion, it is ensured that the normal work of gantry beam.
Brief description of the drawings
For clearer the explanation embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it is clear that, to those skilled in the art, not On the premise of paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of main hook wirerope-winding schematic diagram of ladle carne.
Fig. 2 is a kind of synchronous schematic diagram for changing ladle carne gantry beam and steel wire rope provided in an embodiment of the present invention.
Fig. 3 is a kind of synchronous method flow for changing ladle carne gantry beam and steel wire rope provided in an embodiment of the present invention 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, wire line hitch long 15, new gantry beam 16, movable pulley 1602, Movable pulley 1603, movable pulley 1608, movable pulley 1609, small hoist engine 17, haulage cable 18, monkey block 19.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation Example is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, art technology The every other embodiment that personnel are obtained under the premise of creative work is not made, should all belong to protection model of the invention Enclose.
Based on the canoe of the ladle carne main hook steel wire rope shown in Fig. 1, Fig. 2 is refer to, shown of the invention real A kind of synchronous schematic diagram for changing ladle carne gantry beam and steel wire rope of example offer, described synchronous replacing casting lifting are provided 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 the synchronous method for changing ladle carne gantry beam and steel wire rope provided in an embodiment of the present invention, presses Carried out according to following steps:
S101:Old gantry beam 6 is dropped into ground and to remove main hook spacing;Before this, first by new steel wire rope and Xinlong Door beam 16 is positioned over maintenance place, crane is driveed to service area etc.;
In the present embodiment, when main suspension hook 61 reaches ground, with steel wire rope buckle bolt long on the crossbeam of old gantry beam 6, so After hang over auxiliary hook 14 and hang oneself surely, operate main suspension hook 61 and auxiliary hook 14 simultaneously again afterwards, old gantry beam 6 is placed on ground at cooperation by both On face, 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 of two gantry beams , on ground, auxiliary hook 14 keeps tensing wire line hitch 15 long horizontal in opposite direction.
Because main suspension hook 61 is fixed on the lower section of gantry beam 6, decline gantry beam 6 and 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 slowly earthward discharge, until the old steel wire rope at the two ends of reel 1 and 7 remains with 3-4 Circle, stops drop hook operation;Steel wire rope is typically fixed on reel by steel wire rope pressing plate, when stopping drop hook operation, makes steel wire rope Pressing plate just in reel 1 and the top half of reel 7, steel wire rope pressing plate is subsequently removed to facilitate.
:The old steel wire rope of whole that is fixed on balance bar of dismounting, and by the fag end of the old steel wire rope and the new steel got ready One fag end of cord is fixedly connected;
First, by balance bar 12 and the old steel wire rope 2 equipped with the steel cable collar, old steel wire rope 3, the old steel at the two ends of balancing pole 13 The end 22,32,82 and 92 of cord 8 and old steel wire rope 9 is removed and is fallen earthward respectively, the old steel wire rope 2 that then will fall, old Steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 are disconnected from rope Ka Chu, and the mode present invention of disconnection is not limited, in the present embodiment Above-mentioned old steel wire rope is cut off from rope Ka Chu using gas cutting;Then old steel wire rope 2, old steel wire rope 3 after cutting off, old steel wire rope 8 and the fag end of new steel wire rope got ready with four respectively of fag end of end 22,32,82 and 92 of old steel wire rope 9 fix and connect Connect, connected mode can be welded or other, and the present invention is not construed as limiting.Additionally, herein can first not new steel wire rope and old Steel wire rope is connected, and is placed on being reconnected after step S103, makes the more convenient operation of step S103, in the present embodiment, in order to Subsequent operation is convenient, herein simply by the end 22,32,82 of old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 With 92 under drop down onto ground, without it is connected with new steel wire rope.
In addition, the present embodiment is during reel winds more change steel rope, its number of turns for rising winding is much more than just Number of turns during Chang Zuoye, therefore, it is necessary to first dismounting main hook is spacing before old steel wire rope on balance bar is removed.
:Disconnect successively and pass around the old steel wire rope on old gantry beam movable pulley, and by the old steel wire rope of the disconnection successively Pass around on the movable pulley of corresponding new gantry beam, the old steel wire rope that then will be switched off is fixedly connected;
By old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 near the two ends of old gantry beam 16 each Cut off at movable pulley, and mark is carried out in extraction from each movable pulley, then carries out dropping the operation of auxiliary hook 14, by old gantry beam 6 Crossbeam on wire line hitch long 15 taken from auxiliary hook 14, and by the bolt of wire line hitch long 15 on the crossbeam of new gantry beam 16, use Auxiliary hook 14 is sling, and tenses wire line hitch 15 long, then operates trolley travelling to the surface of new gantry beam 16, successively by it is foregoing from The old steel wire rope for extracting and carrying out mark in old gantry beam 6 out moves cunning according to the correspondence that mark is passed around into the two ends of new gantry beam 16 one by one On wheel, and with gas welding torch by the foregoing fag end firm welding cut off, pass around a pulley and weld a joint, first pass around and weld On the movable pulley of end, then to middle pulley lay winding wire ropes and welding point.
After the completion of aforesaid operations, will be wound on the old steel cord ends 22 in the left side of side roller outside the one end of new gantry beam 16 1602 to In the upper square groove of the upper pile warp pulley 1602, then new gantry beam 16 of passing through to the right crossbeam top to the other end of new gantry beam 16 Correspondence pulley 1608 top notch, it is outer to ground until stretching out new gantry beam 16, on movable pulley 1603 old steel cord ends 32 and The same way of old steel cord ends 22 is placed;The new other end steel cord ends 82 and 92 of gantry beam 16 are also processed in this way.This What mode made steel wire rope is wound as rounding off, will not produce bending and damage.
After the completion of aforesaid operations, 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, 82 and 92 fag end is fixedly connected with the new steel wire rope got ready, and the present embodiment is using welding.
:Disconnect the connection of old steel wire rope and reel, and fall after the fag end of the old steel wire rope is bypassed into reel, rise master Suspension hook, so that the new steel wire rope motion of old rope traction, when reaching reel to the fixed connection place of old steel wire rope and new steel wire rope Stop rising main suspension hook;
The steel wire rope pressing plate at the two ends of reel 1 is removed first, and old steel wire rope 2 and old steel wire rope 3 are discharged from reel 1, will The head end 21 and 31 of old steel wire rope 2 and old steel wire rope 3 rides over the top of opposite reel 7, and outwards leans out, and is processed with same way and rolled up Old steel wire rope 8 and old steel wire rope 9 on cylinder 7, then carry out a liter main hook operation, reel 1 and reel 7 is slowly risen rotation, together When, the head end 21,31,81 and 91 to old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 applies pulling force slightly, So as to 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 be defined;With volume The rising rotation of cylinder 1 and reel 7, takes advantage of a situation old steel wire rope 2, old steel wire rope 3, old steel wire rope 8 and old steel wire rope 9 from lifting body Outside falls, and surface personnel catches old steel wire rope and coils lopping immediately, meanwhile, ground maintainer looks after steel wire rope and prevents Stop and groove;Until the fixed connection place of old steel wire rope and new steel wire rope stops rising main suspension hook when reaching reel, then by old steel The fixed connection place of cord 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 volume The two ends of cylinder 7.
Further, in order that the fixed connection place of new steel wire rope and old steel wire rope reaches reel 1 and reel 7, led 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 more long, 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 with the motion of reel 1 and reel 7 Middle part when, the fixed connection place of new steel wire rope and old steel wire rope does not reach reel 1 or reel 7 also, now, on reel 1 or Continue the space of winding on reel 7 without old steel wire rope ", at this time, it may be necessary to the old steel wire rope weight that will be wound in the middle part of reel After being newly returned to the end of reel 1 or reel 7, followed by main suspension hook 61 of continuing rising, until the fixation of new steel wire rope and old steel wire rope Junction reaches reel.
:Another fag end of four new steel wire ropes is individually fixed on balance bar 12 and balance bar 13, in the present embodiment The method of use is as follows:
With the rotation of reel 1 and reel 7, new steel wire rope is gradually passed around into assembly pulley, when old steel wire rope and new steel wire When the fixed connection place of rope reaches reel, new steel wire rope is turned at the position of end 22,32,82,92 of foregoing old steel wire rope End, this side is gone back to by the end of these new steel wire ropes by root from the offside backfash of new gantry beam 16, for example, original old steel cord ends New steel wire rope at 22 positions moves on to the left side of pulley 1602 from the right side of new gantry beam 16;At the position of old steel cord ends 82 New steel wire rope 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 flat On weighing apparatus thick stick 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, in new gantry beam 16 The new steel wire rope head on right side be fixed on right hand balance thick stick 13.
Then the end of four new steel wire ropes is individually fixed on balance bar 12 and balance bar 13 using small hoist engine 17, By the haulage cable 18 of small hoist engine 17 through after the monkey block 19 for hanging on house beam from balance bar 12 or balance bar 13 Lacing hole on lower body falls earthward, and the end with a new steel wire rope for installing steel cable ring set ties up, and starts small hoist engine 17 by new steel wire rope pull and be fixed on balance bar 12 or balance bar 13 on, in this way, the end of four new steel wire ropes is all solid Due on balance bar.
After above-mentioned steps are fully completed, commander's hoister crawl rises or slowly hooks up operation, first tenses main suspension hook New steel wire rope between 61 assembly pulley, then new gantry beam 16 is steady to be risen from the ground to operate cooperation to make with main suspension hook 61 and auxiliary hook 14, Period is it is noted that prevent new steel wire rope from going out groove;Then the wire line hitch long 15 that Xinlong door beam 16 is hung on auxiliary hook 14 is extractd;Then New gantry beam 16 is raised to and closes on highest order, recovered and adjustment main hook electric limiting, and carry out multiple test run, it is ensured that errorless;Most 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 tools and cleaning oil pollution are done afterwards Only, maintenance personal and hoister handle handing-over, and crane puts into production operation.
To sum up, the synchronous method for changing ladle carne gantry beam and steel wire rope provided in an embodiment of the present invention can be according to Following steps are carried out successively:
Step 1:New steel wire rope and new gantry beam 16 are transported into predetermined maintenance in advance and changes point.
Step 2:Commander's crane runs to the new service area of gantry beam 16 of placement, and commander's hoister operation declines master Suspension hook 61, auxiliary hook 14 is hung over after being fastened on the crossbeam of old gantry beam 6 with wire line hitch long 15 when the plate hook of old gantry beam touches ground Hang oneself steady.
Step 3:Main suspension hook 61 and auxiliary hook 14 are operated simultaneously, both place on the ground old gantry beam 6 at cooperation, plate hook is hung On the ground, plate hook lies in ground for fork support;Old gantry beam 6 is placed back to back with the new gantry beam 16 placed in advance, as far as possible It is close to, now the plate hook of two gantry beams horizontal in opposite direction is on ground;Auxiliary hook 14 keeps tensing wire line hitch 15 long.
Step 4:It is spacing that electric personnel remove main hook.
Step 5:Commander's hoister is operated by main suspension hook 61 is declined, 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 slowly earthward discharge, until the old steel wire rope in two ends of reel 1 and 7 remains with 3-4 Circle, stops drop hook operation, now ensures steel wire rope pressing plate 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 the two ends of balance bar 13 Remove and fall earthward.
Step 7:The old steel cord ends 22 that to be fallen with gas cutting, old steel cord ends 32, old steel cord ends 82 and old Steel cord ends 92 cut off from rope Ka Chu respectively.
Step 8:By old steel wire rope 2 and old steel between the running block 5 and fixed pulley group 4 on the old gantry beam 6 of root backfash Old steel wire rope 8 and old steel wire rope 9 between running block 11 and fixed pulley group 10 in cord 3 and old gantry beam 6, make cunning Rope capacity between wheel group 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 the two ends of old gantry beam 6 Cut off at each movable pulley, extract and carry out mark out from pulley.
Step 10:Drop auxiliary hook 14, the wire line hitch long 15 of the crossbeam of old gantry beam 6 is taken from auxiliary hook 14.
Step 11:Bolt is hung wire line hitch 15 long and is sling with auxiliary hook 14 on the crossbeam of new gantry beam 16, tenses steel wire rope long 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 being performed in step 9 Mark is passed around on the corresponding pulley at the two ends of new gantry beam 16 one by one, and is welded fag end with gas welding torch solid and smooth;Pass around one Individual pulley welds a joint, first passes around on pulley 1602 steel cord ends 22, or first passes around steel cord ends 32 On pulley 1603, first steel cord ends 82 are passed around on pulley 1608, first pass around on pulley 1609 steel cord ends 92, After being welded joint, then to middle pulley lay winding wire ropes and welding point.
Step 14:The upward pile warp of old steel cord ends 22 that the left side of side roller 1602 outside the one end of new gantry beam 16 will be wound on should In the upper square groove of pulley 1602, then to the corresponding pulley of the other end of new gantry beam 16 above the crossbeam of new gantry beam 16 of passing through to the right 1608 top notches, until stretching out outside new gantry beam 16 to ground, old steel cord ends 32 and old steel wire rope on movable pulley 1603 The same way of end 22 is placed;The new other end steel cord ends 82 of gantry beam 16 and steel cord ends 92 are also processed 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, the and of old steel cord ends 82 The old fag end of old steel cord ends 92 firmly welds together with new steel wire rope head respectively.
Step 16:Maintainer on monkey removes the end steel wire rope pressing plate of reel 1 one by one, by old steel wire rope 2 1-2 circles are discharged from reel 1 respectively with old steel wire rope 3 to be ridden over to roll as old steel wire rope head end 21 and old steel wire rope head end 31 The top of 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 with same way 81 and old steel wire rope head end 91.
Step 17:Commander's hoister carries out a liter main hook operation, reel 1 and reel 7 is slowly risen rotation, while rising Personnel on heavy-duty machine dolly catch old steel wire rope head end 21, old steel wire rope head end 31, the old steel for having stretched out reel 1 and reel 7 Cord head end 81 and old steel wire rope head end 91, apply pulling force slightly, are not skidded on reel 1 and reel 7 by old steel wire rope and are defined; As the rising of reel 1 and reel 7 rotates, take advantage of a situation 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 someone catches old steel wire rope and coils lopping immediately;Meanwhile, ground maintainer looks after steel wire rope Prevent out groove.
Step 18:Detoured during to the middle part for closing on reel 1 and reel 7 Deng the old wire rope roll on reel 1 and reel 7, led to 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 is done the best and pulls to the side end and keep pulling force, then operates main hook to drop hook to operate, with reel Slowly decline rotation, the old steel wire rope in the middle of reel just retreats to the end original position of reel entirely.
Step 20:Continue serving operation, period wants repeat step 18 and 19, until new steel wire rope and the joint of old steel wire rope Reel 1 and reel 7 are rolled out to just leaning out cart car body.
Step 21:Repeat step 19, new steel wire rope is moved on to the end of reel 1 and reel 7, and ensures the pressing plate on reel Spiro keyhole position in the first half of reel, to facilitate compression steel wire rope.
Step 22:New steel wire rope pressing plate is fixed on the two ends of reel 1 and reel 7, the steel wire rope pressing plate of end wouldn't Install.
Step 23:New steel wire rope has been passed around into assembly pulley with the rotation of reel 1 and reel 7, therefore, old steel now Cord end is placed the end of new steel wire rope, by four of ground upper balance bars 12 and the new steel wire rope end of balance bar 13 This side is gone back in end 22,32,82 and 92 by root from the offside backfash of new gantry beam 16.Such as new steel cord ends 22 from the right side of new gantry beam 16 Sidesway is to the left side of pulley 1602;New steel cord ends 82 move 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 small hoist engine 17 through after the monkey block 19 for hanging on house beam from balance bar 12 or the lower body of balance bar 13 on lacing hole fall earthward, with the new steel cord ends 22 for installing 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 small hoist engine 17 and new steel wire rope is pulled and consolidated It is scheduled on balance bar 12 or balance bar 13.
Step 25:New steel wire rope head end is placed at old steel wire rope head end now, with gas cutting from new steel wire rope head end 21st, 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;New cable wire end is repaired, the end steel wire rope pressing plate on reel 1 and reel 7 is installed.
Step 26:Commander's hoister crawl rises or slowly hooks up operation, first tenses the steel wire between main hook assembly pulley Rope, then new gantry beam 16 is steady to be risen from the ground to operate cooperation to make with main suspension hook 61 and auxiliary hook 14, period is it is noted that prevent steel wire rope Go out groove.
Step 27:Extract the wire line hitch long 15 that Xinlong door beam 16 is hung on auxiliary hook 14.
Step 28:Be raised to for new gantry beam 16 and close on highest order by hoister.
Step 29:Electric PERSONNEL RECOVERY and adjustment main hook electric limiting, contact hoister test run are multiple, it is ensured that nothing By mistake.
Step 30:Work tool and cleaning oil pollution on old gantry beam 6, old steel wire rope, Work tool, crane main carriage is done Only, maintenance personal and hoister handle handing-over, and crane puts into production operation.
It should be noted last that, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although ginseng The present invention has been described in detail according to embodiment, it will be understood by those within the art that, to technical side of the invention Case is modified or equivalent, and without departure from the spirit and scope of technical solution of the present invention, it all should cover in the present invention Right in the middle of.

Claims (7)

1. a kind of method that ladle carne gantry beam and steel wire rope are changed in synchronization, it is characterised in that carry out as follows:
S101:Old gantry beam is dropped into ground and to remove main hook spacing;
S102:The old steel wire rope of whole that is fixed on balance bar of dismounting, and by the fag end of the old steel wire rope and the new steel got ready One fag end of cord is fixedly 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 the disconnection successively Pass 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 the old steel wire rope is bypassed into reel, Ran Houshang Main suspension hook is risen, so that the new steel wire rope motion of old rope traction, volume is reached to the fixed connection place of old steel wire rope and new steel wire rope Stop rising main suspension hook during cylinder;
S105:Another fag end of new steel wire rope is fixed on balance bar.
2. the method that ladle carne gantry beam and steel wire rope are changed in synchronization according to claim 1, it is characterised in that institute In stating step S104, rise main suspension hook, so that the new steel wire rope motion of old rope traction, to consolidating for old steel wire rope and new steel wire rope Determine to stop rising main suspension hook when junction reaches reel, including:
S1041:Rise main suspension hook, to reel on old wire rope roll around to reel middle part when, stop rising main suspension hook;
S1042:The old steel wire rope being wound in the step S1041 in the middle part of reel is moved on into reel ends;
S1043:Repeat step S1041 and S1042, stop when reaching reel to the fixed connection place of new steel wire rope and old steel wire rope Rise main suspension hook.
3. the method that ladle carne gantry beam and steel wire rope are changed in synchronization according to claim 2, it is characterised in that institute In stating step S1042, the old steel wire rope in the middle part of reel will be wound to move on to the method for reel ends and be:
The old steel wire rope near reel two ends being located in the middle part of reel is retracted into reel two ends respectively, and keeps 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. according to any described synchronous methods for changing ladle carne gantry beam and steel wire rope of claim 1-3, its feature It is also to include step S106 after the step S105:The new steel wire rope that will be fixedly connected is separated with old steel wire rope, and will be divided The fag end of the new steel wire rope after is individually fixed in the two ends of reel.
5. the method that ladle carne gantry beam and steel wire rope are changed in synchronization according to claim 4, it is characterised in that institute State also includes between step S102 and step S103:
Bolt hangs wire line hitch long on the crossbeam of new gantry beam, and wire line hitch long is sling tension with auxiliary hook.
6. the method that ladle carne gantry beam and steel wire rope are changed in synchronization according to claim 5, it is characterised in that institute State also includes between step S103 and step S104:
In the upper square groove of the upward pile warp pulley in end of the old steel wire rope that will be wound on the outside of the movable pulley at new gantry beam two ends, OK Through the crossbeam top of new gantry beam, to the top notch of the corresponding pulley of the new gantry beam other end.
7. the method that ladle carne gantry beam and steel wire rope are changed in synchronization according to claim 6, it is characterised in that institute State also includes between step S104 and step S105:
The steel cord ends being located at the movable pulley of the offside of new gantry beam are moved back to 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)

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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

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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
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
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