CN107826960B - Overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop - Google Patents
Overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop Download PDFInfo
- Publication number
- CN107826960B CN107826960B CN201710987151.4A CN201710987151A CN107826960B CN 107826960 B CN107826960 B CN 107826960B CN 201710987151 A CN201710987151 A CN 201710987151A CN 107826960 B CN107826960 B CN 107826960B
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- Prior art keywords
- lifting tool
- wire rope
- gantry lifting
- new
- wirerope
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
Abstract
The invention discloses overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop, this method operates conveniently, make service personnel under the premise that security is guaranteed, significantly reduce the labor intensity of metallurgical crown block gantry lifting tool lifting replacement, improve overhaul efficiency, so that maintenance duration shortens, to guarantee that other overhauling projects are provided convenience condition using overhead traveling crane, pass through the application of the method, solves space for maintenance in gantry lifting tool replacement process, maintenance safety, efficiency, the problems such as labor intensity, it is that a production is easy to process, it is low in cost, spot effect is significant, it is practical, extend pioneering strong professional method outward.Simultaneously, the present invention provides theoretical and practical foundation for the integral replacing method of the overhead traveling crane large-sized gantry suspender in factory, conducive to popularization, it can be used for other similar production, carry out corresponding lifting replacement operation on overhauling project, it can also be used to the fields such as installation, transformation, debugging of overhead traveling crane new equipment.
Description
Technical field
The invention belongs to metallurgical crown block mechanical equipment service technique fields, and in particular to overhead traveling crane gantry in a kind of metallurgy workshop
Suspender replacing options.
Background technique
Metallurgical crown block is the core equipment of steel in metallurgy workshop, molten iron handling, when overhauling to metallurgical crown block, usually
Need to carry out overhead traveling crane gantry lifting tool online lifting replacement, there are following when carrying out lifting replacement to overhead traveling crane gantry lifting tool at present
The problem of several aspects: 1, equipment shape and self weight are larger.Since the effect of metallurgical crown block is handling molten iron and steel ladle, so
The shape and tonnage of its gantry lifting tool are larger, involve ground and high-altitude stereo cross-operation, and replacement execution conditions are difficult.2, it replaces
Need bigger construction site and road conditions.According to the practice of construction condition at scene, the lifting ground place needed and logical
Trade road must be spacious.
Summary of the invention
The purpose of the present invention is to solve the technical problems existing in the prior art, and it is strong to provide a kind of operating personnel's labour
Spend overhead traveling crane gantry lifting tool replacing options in the metallurgy workshop that low, overhaul efficiency is high, highly-safe.
In order to achieve the above object, the invention adopts the following technical scheme: overhead traveling crane gantry lifting tool is more in a kind of metallurgy workshop
Method is changed, method includes the following steps:
A, prepare the volume of hempcore cable used in a gantry lifting tool, then put down from wire rope roll in spacious place
The wire rope roll that 4 disk length have been appraised and decided, each disk is placed neatly to be tied up with iron wire in rolls and securely prevents from dissipating disk, with forklift to gantry
The placement on one side in suspender replacement place；
B, the site clearing for replacing gantry lifting tool is clean, overhead traveling crane stops to after maintenance position, and gantry lifting tool gib head is landed
To maintenance ground, with the support split heads of two width gantry lifting tool of carrying fork truck, a secondary support split heads is placed into gantry lifting tool bridge stand beam
Lower section falls on gantry lifting tool bridge stand beam sufficiently on support split heads, and pad is steady, pads, and is confirmed accordingly, and then fall dragon
Gantry crane has the wirerope on pulley blocks；
C, another secondary new gantry lifting tool needed replacing is hauled to overhead traveling crane using wooden handcart, new gantry lifting tool is hung down
And it is placed side by side on another width preprepared support split heads with old gantry lifting tool, and pad it is steady, pad；
D, inspection platform and springboard are set up around new gantry lifting tool and old gantry lifting tool and is bound securely, are ready to electrical
Welding tool；
E, with 2 flitches to the iron wire of the wirerope on old gantry lifting tool pulley blocks by locating pulley blocks groove sequence into
Row is fixed；
F, the ready new wire rope roll of volume 4 is placed with forklift to new two pulley blocks two sides of gantry lifting tool；
G, gas welder using gas welding by the wirerope on old gantry lifting tool pulley blocks from first steel being fixed on flitch
Cord is cut, and the head of steel wire rope cut is extracted out, by the direction and position of old gantry lifting tool pulley blocks, is passed around to new
On the pulley sheet of gantry lifting tool pulley blocks same direction and position, the wirerope on new pulley sheet then will be passed around by gas welder
One, wirerope on head and new wire rope roll is welded and is carried out mark, is then cut to second wirerope,
And extract head of steel wire rope out, it passes around by the direction and position of old gantry lifting tool pulley blocks, then by second head of steel wire rope to new
On the pulley sheet of gantry lifting tool pulley blocks same direction and position, then weld with second head of steel wire rope on flitch；
H, successively remaining middle wirerope on 2 groups of pulley blocks cut by the method for second wirerope, passed around
And welding, the last steel cable on pulley blocks are cut by the method for steel cable, passed around and are welded, and are all welded
After connecing, flitch fixed on wirerope is removed；
I, the fixed machine core of 4 steel wire rope heads on 2 groups of equalizer bars of overhead traveling crane main carriage pulley blocks is removed, and placing ground will be old
Steel wire disk is put neatly, and main hoisting drum is then started, and winding old wire rope drives new wirerope to pass around gantry lifting tool sliding upwards
Wheel group；
J, it stops after a circle half on new wirerope-winding to reel, is then buckled new wirerope using wire line hitch
Fixed on main carriage platform, main hoisting drum is turned round, waits new head of steel wire rope to unroll after reel out and stops, it will be new by gas welder
The separation of old wire rope head cutter, by new wirerope, disk is put neatly on main carriage platform, and old wire rope head is placed into reel
It in the hole of lower section, then proceedes to fall main hoisting drum after rise, parking after old wire rope remaining on reel has all been fallen after rise is removed
All wirerope pressing plates on main hoisting drum, drop down onto ground for old wire rope completely and disk is put neatly, and bind jail with iron wire
Gu；
K, 4 new head of steel wire rope on main carriage platform are passed around on main hoisting drum, and will with wirerope pressing plate
New head of steel wire rope fixation on reel, slowly the main hoisting drum of raising, waits buckles to stop when rising on main carriage platform
Vehicle removes buckle and wire line hitch；
L, by 4 new head of steel wire rope on ground by being passed around at the form of machine core originally through on machine core, and with buckling
Fixation, reliably；
M, prepare 1t hoist engine, and be fixed on the steel structural upright column below overhead traveling crane, using 1 main carriage fairlead and
Steel wire rope of windlass is directed on overhead traveling crane main carriage fairlead from ground fairlead and is directed at ground again by 2 ground fairleads
Face is fixed on new head of steel wire rope machine core using wire line hitch, is suspended in the steel wire rope shackle of hoist engine, and starting hoist engine will
New head of steel wire rope machine core stops after being hung to main carriage platform, and then machine core is fixed on pulley block balance beam using jack；
N, successively remaining 3 machine cores are fixed on pulley block balance beam by the method for step M；
O, start main hoisting drum, upward raising gantry lifting tool；
P, when gantry lifting tool completely from the ground after stop, carry out the debugging of gantry lifting tool；
Q, the old gantry lifting tool of site clearing, steel scrap cord, hoist engine, springboard and used Work tool.
Further, the size of flitch is 30 × 30 × 1000mm in the step E.
Further, iron wire is 8# iron wire in the step J.
The present invention has the advantages that overhead traveling crane gantry lifting tool is replaced in metallurgy workshop of the invention compared with the prior art
Method operates conveniently, and makes service personnel under the premise that security is guaranteed, significantly reduces the lifting replacement of metallurgical crown block gantry lifting tool
Labor intensity, improve overhaul efficiency so that maintenance duration shorten, to guarantee that other overhauling projects are provided just using overhead traveling crane
Sharp condition solves space for maintenance in gantry lifting tool replacement process, maintenance safety, efficiency, labour by force by the application of the method
The problems such as spending, be one production is easy to process, low in cost, spot effect is significant, it is practical, extend outward it is pioneering strong
Professional method.Meanwhile the present invention provides theoretical and reality for the integral replacing method of the overhead traveling crane large-sized gantry suspender in factory
Border foundation is conducive to promote, and can be used for other similar production, carries out corresponding lifting replacement operation on overhauling project, it can also be used to
The fields such as installation, transformation, the debugging of overhead traveling crane new equipment.
Detailed description of the invention
Fig. 1 is the schematic diagram that present invention support split heads supports gantry lifting tool；
Fig. 2 is the fixed schematic diagram of old wire rope of the present invention；
Fig. 3 is middle wirerope connection schematic diagram on pulley blocks of the present invention；
Fig. 4 is the new steel rope replacing schematic diagram of the present invention.
Appended drawing reference meaning of the present invention is as follows: 1, gantry lifting tool；2, split heads is supported；3, flitch；4, main carriage.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
Overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop, method includes the following steps:
A, prepare the volume of hempcore cable used in a gantry lifting tool 1, then put from wire rope roll in spacious place
The wire rope roll that lower 4 disk length have been appraised and decided, each disk is placed neatly to be tied up with iron wire in rolls and securely prevents from dissipating disk, with forklift to dragon
The placement on one side in 1 replacement place of gantry crane tool.
B, the site clearing for replacing gantry lifting tool 1 is clean, overhead traveling crane stops to after maintenance position, and 1 gib head of gantry lifting tool is dropped
Maintenance ground is dropped down onto, with the support split heads 2 of two width gantry lifting tool 1 of carrying fork truck, a secondary support split heads 2 is placed into gantry lifting tool 1
Below bridge stand beam, so that gantry lifting tool Bridge 1 is set a roof beam in place and sufficiently fall on support split heads 2, and pad is steady, pads, and is confirmed accordingly, so
Wirerope on 1 pulley blocks of whereabouts gantry lifting tool (must be that every wirerope all reaches relaxed state) afterwards.
C, new gantry lifting tool 1 is hung by below another secondary new haul to overhead traveling crane of gantry lifting tool 1 needed replacing using wooden handcart
It is lower and placed side by side on another width preprepared support split heads 2 with old gantry lifting tool 1, and pad it is steady, pad.
D, inspection platform and springboard are set up around new gantry lifting tool 1 and old gantry lifting tool 1 and is bound securely, and electricity is got out
Gas welding unit.
E, the flitch 3 with 2 having a size of 30 × 30 × 1000mm is to the wirerope iron wire on old 1 pulley blocks of gantry lifting tool
Being fixed by the sequence of locating pulley blocks groove (prevents during passing around wirerope entanglement or wirerope from fixed pulley group side
It is extracted out on face).
F, the ready new wire rope roll of volume 4 is placed with forklift to 1 liang of pulley blocks two sides of new gantry lifting tool.
G, gas welder using gas welding by the wirerope on old 1 pulley blocks of gantry lifting tool from first be fixed on flitch 3
Wirerope is cut, and the head of steel wire rope cut is extracted out, by the direction and position of old 1 pulley blocks of gantry lifting tool, is passed around
On to the pulley sheet of new 1 pulley blocks same direction of gantry lifting tool and position, then it will be passed around on new pulley sheet by gas welder
One, wirerope on head of steel wire rope and new wire rope roll is welded and is carried out mark and (prevents new wirerope mistake on reel
Volume or few volume), then second wirerope is cut, and extract head of steel wire rope out, by the side of old 1 pulley blocks of gantry lifting tool
To and position, then second head of steel wire rope passed around to the pulley sheet of new 1 pulley blocks same direction of gantry lifting tool and position,
Again with second head of steel wire rope welding on flitch 3 (must firm welding, reliable, prevent from snapping in replacement process, wirerope
Fracture is fallen).
H, successively remaining middle wirerope on 2 groups of pulley blocks cut by the method for second wirerope, passed around
And welding, the last steel cable on pulley blocks are cut by the method for steel cable, passed around and are welded, and are all welded
After connecing, flitch 3 fixed on wirerope is removed.
I, the fixed machine core of 4 steel wire rope heads on 4 pulley blocks of overhead traveling crane main carriage, two groups of equalizer bars is removed, and placing ground will
Old wire rope disk is put neatly, and main hoisting drum is then started, and winds old wire rope upwards and new wirerope is driven to pass around gantry lifting tool 1
Pulley blocks.
J, after a circle half (about 8.5m) on new wirerope-winding to reel afterwards stop, then using wire line hitch by new steel wire
Rope is fixed on 4 platform of main carriage with buckle, turns round main hoisting drum, is waited new head of steel wire rope to unroll after reel out and is stopped, by
New and old head of steel wire rope is cut and is separated by gas welder, and by new wirerope, disk is put neatly on 4 platform of main carriage, old wire rope head
It is placed into the hole below reel, then proceedes to fall main hoisting drum after rise, old wire rope remaining on reel has all been fallen after rise
After stop, remove all wirerope pressing plates on main hoisting drum, old wire rope dropped down into ground completely and disk is put neatly, is used in combination
The binding of 8# iron wire is secured.
K, 4 new head of steel wire rope on main carriage platform are passed around on main hoisting drum, and will with wirerope pressing plate
New head of steel wire rope fixation on reel, slowly the main hoisting drum of raising, waits buckles to stop when rising on main carriage platform
Vehicle removes buckle and wire line hitch.
L, by 4 new head of steel wire rope on ground by being passed around at the form of machine core originally through on machine core, and with buckling
Fixation, reliably.
M, prepare 1t hoist engine, and be fixed on the steel structural upright column below overhead traveling crane, using 1 main carriage fairlead and
Steel wire rope of windlass is directed on overhead traveling crane main carriage fairlead from ground fairlead and is directed at ground again by 2 ground fairleads
Face is fixed on new head of steel wire rope machine core using wire line hitch, is suspended in the steel wire rope shackle of hoist engine, and starting hoist engine will
New head of steel wire rope machine core stops after being hung to 4 platform of main carriage, and then machine core is fixed on pulley block balance beam using jack.
N, successively remaining 3 machine cores are fixed on pulley block balance beam by the method for step M.
O, start main hoisting drum, upward raising gantry lifting tool 1.
P, when gantry lifting tool 1 completely from the ground after stop, carry out gantry lifting tool 1 debugging.
Q, the old gantry lifting tool 1 of site clearing, steel scrap cord, hoist engine, springboard and used Work tool.
Claims (3)
1. overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop, it is characterised in that method includes the following steps:
A, prepare the volume of hempcore cable used in a gantry lifting tool, then put down 4 disks from wire rope roll in spacious place
The wire rope roll that length has been appraised and decided, each disk is placed neatly to be tied up with iron wire in rolls and securely prevents from dissipating disk, with forklift to gantry crane
The placement on one side in tool replacement place；
B, the site clearing for replacing gantry lifting tool is clean, overhead traveling crane stops to after maintenance position, and gantry lifting tool gib head is drop to inspection
Ground is repaired, with the support split heads of two width gantry lifting tool of carrying fork truck, a secondary support split heads is placed into below gantry lifting tool bridge stand beam,
Fall on gantry lifting tool bridge stand beam sufficiently on support split heads, and pad is steady, pads, and is confirmed accordingly, then fall gantry crane
Has the wirerope on pulley blocks；
C, another secondary new gantry lifting tool needed replacing is hauled to overhead traveling crane using wooden handcart, by new gantry lifting tool hang down and with
Old gantry lifting tool is placed side by side to be supported on split heads to another width preprepared, and pad is steady, pads；
D, inspection platform and springboard are set up around new gantry lifting tool and old gantry lifting tool and is bound securely, and electrical welder is got out
Tool；
E, the wirerope on old gantry lifting tool pulley blocks is consolidated with iron wire by the sequence of locating pulley blocks groove with 2 flitches
It is fixed；
F, the ready new wire rope roll of volume 4 is placed with forklift to new two pulley blocks two sides of gantry lifting tool；
G, gas welder using gas welding by the wirerope on old gantry lifting tool pulley blocks from the steel cable being fixed on flitch
It is cut, the head of steel wire rope cut is extracted out, by the direction and position of old gantry lifting tool pulley blocks, is passed around to new gantry
On the pulley sheet of suspender pulley blocks same direction and position, the head of steel wire rope on new pulley sheet then will be passed around by gas welder
Mark is welded and carried out with one, wirerope on new wire rope roll, then second wirerope is cut, and takes out
Head of steel wire rope out is passed around by the direction and position of old gantry lifting tool pulley blocks, then by second head of steel wire rope to new gantry
On the pulley sheet of suspender pulley blocks same direction and position, then weld with second head of steel wire rope on flitch；
H, successively remaining middle wirerope on 2 groups of pulley blocks is cut, passed around and is welded by the method for second wirerope
It connects, the last steel cable on pulley blocks is cut by the method for steel cable, passed around and welded, and has all been welded
Bi Hou removes flitch fixed on wirerope；
I, the fixed machine core of 4 steel wire rope heads on 2 groups of equalizer bars of overhead traveling crane main carriage pulley blocks is removed, and places ground for old steel wire
Cheese is put neatly, and main hoisting drum is then started, and winds old wire rope upwards and new wirerope is driven to pass around gantry lifting tool pulley blocks；
J, it stops after a circle half on new wirerope-winding to main hoisting drum, then uses wire line hitch by new wirerope card
Button is fixed on main carriage platform, turns round main hoisting drum, is waited new head of steel wire rope to unroll after main hoisting drum out and is stopped, by gas
New and old head of steel wire rope is cut and is separated by welder, and by new wirerope, disk is put neatly on main carriage platform, and old wire rope head is put
It sets in the hole below main hoisting drum, then proceedes to fall main hoisting drum after rise, by old wire rope remaining on main hoisting drum
Parking, removes all wirerope pressing plates on main hoisting drum, old wire rope is dropped down onto ground and disk completely after all having fallen after rise
It puts neat and secured with iron wire binding；
K, 4 new head of steel wire rope on main carriage platform are passed around on main hoisting drum, and with wirerope pressing plate by new steel
The fixation on main hoisting drum of cord head, the slowly main hoisting drum of raising, when buckles being waited to rise on main carriage platform
Buckle and wire line hitch are removed in parking；
L, by 4 new head of steel wire rope on ground by being passed around at the form of machine core originally through on machine core, and with buckle fixation
Securely, reliably；
M, prepare 1t hoist engine, and be fixed on the steel structural upright column below overhead traveling crane, use 1 main carriage fairlead and 2
Steel wire rope of windlass is directed on overhead traveling crane main carriage fairlead from ground fairlead and is directed at ground again by ground fairlead, makes
It is fixed on new head of steel wire rope machine core, is suspended in the steel wire rope shackle of hoist engine with wire line hitch, start hoist engine for new steel
Cord head machine core stops after being hung to main carriage platform, and then machine core is fixed on pulley block balance beam using jack；
N, successively remaining 3 machine cores are fixed on pulley block balance beam by the method for step M；
O, start main hoisting drum, upward raising gantry lifting tool；
P, when gantry lifting tool completely from the ground after stop, carry out the debugging of gantry lifting tool；
Q, the old gantry lifting tool of site clearing, steel scrap cord, hoist engine, springboard and used Work tool.
2. overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop according to claim 1, it is characterised in that: the step
The size of flitch is 30 × 30 × 1000mm in rapid E.
3. overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop according to claim 1, it is characterised in that: the step
Iron wire is 8# iron wire in rapid J.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987151.4A CN107826960B (en) | 2017-10-20 | 2017-10-20 | Overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987151.4A CN107826960B (en) | 2017-10-20 | 2017-10-20 | Overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107826960A CN107826960A (en) | 2018-03-23 |
| CN107826960B true CN107826960B (en) | 2019-06-21 |
Family
ID=61648600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710987151.4A Active CN107826960B (en) | 2017-10-20 | 2017-10-20 | Overhead traveling crane gantry lifting tool replacing options in a kind of metallurgy workshop |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11228071A (en) * | 1998-02-13 | 1999-08-24 | Nippon Steel Corp | Multifunctional lifter |
| CN101456036A (en) * | 2008-12-30 | 2009-06-17 | 二重集团（德阳）重型装备股份有限公司 | Breast-roll set replacement method and hoisting clamp thereof |
| CN103225269A (en) * | 2013-04-17 | 2013-07-31 | 河海大学 | Device for automatically controlling and replacing sling of suspension bridge, and sling replacing method based on replacing device |
| CN105883635A (en) * | 2016-06-22 | 2016-08-24 | 中国铁道科学研究院运输及经济研究所 | Travel trolley of container gantry crane and method for quickly changing wheels |
| CN107059506A (en) * | 2017-05-16 | 2017-08-18 | 中国铁道科学研究院铁道建筑研究所 | A kind of plate-type ballastless track track plates replacing options |
-
2017
- 2017-10-20 CN CN201710987151.4A patent/CN107826960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11228071A (en) * | 1998-02-13 | 1999-08-24 | Nippon Steel Corp | Multifunctional lifter |
| CN101456036A (en) * | 2008-12-30 | 2009-06-17 | 二重集团（德阳）重型装备股份有限公司 | Breast-roll set replacement method and hoisting clamp thereof |
| CN103225269A (en) * | 2013-04-17 | 2013-07-31 | 河海大学 | Device for automatically controlling and replacing sling of suspension bridge, and sling replacing method based on replacing device |
| CN105883635A (en) * | 2016-06-22 | 2016-08-24 | 中国铁道科学研究院运输及经济研究所 | Travel trolley of container gantry crane and method for quickly changing wheels |
| CN107059506A (en) * | 2017-05-16 | 2017-08-18 | 中国铁道科学研究院铁道建筑研究所 | A kind of plate-type ballastless track track plates replacing options |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107826960A (en) | 2018-03-23 |
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