CN101746480A - Technique for assembling large revolving crane on crane ship - Google Patents
Technique for assembling large revolving crane on crane ship Download PDFInfo
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- CN101746480A CN101746480A CN200810239809A CN200810239809A CN101746480A CN 101746480 A CN101746480 A CN 101746480A CN 200810239809 A CN200810239809 A CN 200810239809A CN 200810239809 A CN200810239809 A CN 200810239809A CN 101746480 A CN101746480 A CN 101746480A
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Abstract
A technique for assembling a large revolving crane on a crane ship adopts the following installation steps: 1) drawing lines on the deck of a crane ship body, 2) fixing a deck cylinder (141) on the deck of the crane ship body in a welding mode, 3) arranging a lower revolving support 1, 4) arranging a jacking fuel cylinder (10), 5) arranging a revolving chassis (2), 6) arranging a weight box (7), 7) arranging a truss frame (3), 8) arranging a machine room (8), 9) arranging an amplitude platform (9), 10) arranging a bipod (4), 11) arranging a crane jib shelf (13), 12) arranging a crane jib (5), 13) arranging an amplitude control mechanism (91), 14) arranging a main hook (11), a steel rope (111) of a main hoisting mechanism and an auxiliary hook (12), 15) assembling all control mechanisms in the machine room (8) and parts under control. In the present invention, a large revolving crane is directly arranged on the crane ship. Installation speed is accelerated, the labour intensity of operating personnel is reduced, and meanwhile, the whole hoisting capability of the crane is improved. Large platform blocks can be integrally built. The design of integral hoisting reduces execution difficulty and offshore operation risks, shortens work periods and improves economic benefit.
Description
Technical field
The present invention relates to the packaging technology of hoisting crane, relate in particular to a kind of packaging technology of large revolving crane on crane ship.
Background technology
In the marine petroleum development engineering, need build the oil production platform at sea, and on oil production platform, various productions and living facilities are installed.These all need hoisting crane to realize, therefore, and the crane ship lifting transportation device that is absolutely necessary.
In off-shore oil field was in the past built, the hoisting crane of installing aboard ship was generally middle-size and small-size hoisting crane, and the lifting ability is generally all below 4000 tonnages, the relative scale of its each assembly is less, weight is lighter, and therefore, the parts of hoisting crane generally all are to assemble on land.Then, the hoisting crane integral hoisting that assembles is gone on board, and arrangement is fixed on the deck of hull.After safety and stability debugging and adjusting Vessel's Description, just can implement the hoisting and hanging operation.Owing to be subjected to the restriction of hoisting crane integral hoisting ability, large-scale oil production platform can only be built by piecemeal, then, goes on board building good oil production platform chunk shipment, arrives the offshore oil production operation field and lifts the combination operation again.Because the out-of-shape of parts such as oil production platform chunk and productive life facility, marine lifting and assembling difficulty of construction are bigger; And, influenced by sea situation, under the unsettled situation of boats and ships, the risk of parts such as marine lifting oil production platform chunk and productive life facility strengthens.Simultaneously, along with the exploitation and the development of marine oil, the existing hoisting crane that is installed on the crane ship is relatively low owing to the lifting ability, can not satisfy the needs of the exploitation and the development of offshore oil far away.
Because each parts of goliath are larger, weight is also heavier, and existing loop wheel machine does not possess so big lifting ability, therefore, the goliath integral hoisting can't be gone on board.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming that existing packaging technology exists, a kind of packaging technology of large revolving crane on crane ship is provided, it can directly install the large revolving hoisting crane on crane ship, and as required goliath is installed in fore or ship stern, under the prerequisite that guarantees safety and assembly quality, accelerate erection schedule, alleviate operating personnel's manual labor.Simultaneously, improved hoisting crane integral hoisting ability, can be with the integrated construction of macrotype platform chunk, integral hoisting reduces difficulty of construction and marine operation risk, the reduction of erection time, increases economic efficiency.
The objective of the invention is to realize by following technical scheme:
A kind of packaging technology of large revolving crane on crane ship, large revolving hoisting crane major part comprises: rotation lower support 1, reversing chassis 2, purlin framework 3, Shears 4, jib 5, weight box 7, machine house 8, luffing platform 9, luffing control mechanism 91, jacking cylinder 10, main hook 11, auxiliary hook 12, jib shelf 13 and deck cylinder 141, and it is characterized in that: above-mentioned parts adopt following installation steps:
1) crane ship deck in ship structure line:
1. at first to carry out ballasting weights and regulate,, make hull maintenance level by adjusting the weight of clump weight to crane ship hull 14;
2. on the deck plane of hull 14, mark longitudinal centerline 142 and the rotation lower support 1 cross centre line 143, with longitudinal centerline 142 and the rotation lower support 1 cross centre line 143 be the location dimension line that datum line marks the major parts such as location dimension line 146 of jib shelf 13;
2) deck cylinder 141 is put well by the position of the line of position 144 of cylinder, and adopted welding manner to be fixed on the deck in ship structure;
3) installation of rotation lower support 1:
Steel rope hung oneself be hooked on the suspension centre of having chosen, start the loop wheel machine lifting, to rotate lower support 1 lifting and go on board, and put down by cross centre line 143 positions of rotation lower support 1, the deck cylinder 141 on making cylindrical drum urceolus 113 and being fixed on crane ship hull 14 docks and is fixing;
4) installation of jacking cylinder 10
Jacking cylinder 10 usefulness loop wheel machines are sling is symmetrically placed in the afterbody of hull, rotation lower support 1 both sides, and adopt welding manner to be fixed on the deck in ship structure;
5) installation of reversing chassis 2:
(1) choose suspension centre on reversing chassis 2, steel rope is hung oneself to be hooked on the suspension centre of having chosen, with loop wheel machine reversing chassis 2 liftings is gone on board;
(2) reversing chassis 2 is placed on the roller on turntable structure 11 tops on the rotation lower support 1, and adopts bolt connecting mode reversing chassis 2 to be fixed on the turntable structure 11 of rotation lower support 1;
6) installation of weight box 7
(1) lifting weight box 7 is put weight box cylinder support moulding bed 71 earlier before and is put in place,
(2) reinstate loop wheel machine weight box 7 is winched on the cylinder support moulding bed 71, be welded in reversing chassis 2 rears at last, after weight box 7 installation welding finished, the pouring weight concrete then, was removed the support moulding bed;
7) installation of purlin framework 3:
(1) steel rope is hung oneself is hooked on the suspension centre of having chosen, adopt the floating loop wheel machine that purlin framework 3 is carried out integral hoisting, and, purlin framework 3 is placed on the reversing chassis 2 according to the fitting line of the purlin framework 3 that marks on the reversing chassis 2;
(2) weld all butt welds, purlin framework 3 is fixedly connected on the reversing chassis 2;
8) installation of machine house 8
Adopt loop wheel machine that machine house 8 liftings are gone on board, and adopt welding manner that machine house 8 is fixed on reversing chassis 2 tops, the hollow space of purlin framework 3;
9) luffing platform 9 is installed:
The lifting of employing loop wheel machine is gone on board 9 liftings of luffing platform, and is placed on the weight box 7, will be welded as a whole with weight box 7 and purlin framework 3 respectively behind luffing platform 9 installation in position;
10) installation of Shears 4:
(1) adopts the lifting of floating loop wheel machine, during lifting, crane barge auxiliary hook 17 tangles on the hanger 411 of lower end of vertical support 41, and crane barge main hook 16 tangles end wall bracket hanger 421, after lifting put in place, the pin shaft hole 31 that passes on end wall bracket 42 and the purlin framework 3 by bearing pin connected as one the two;
(2) fall auxiliary hook 17 after rise, steel rope on the auxiliary hook 17 is unclamped, again crane barge main hook 16 is fallen after rise, move behind the floating loop wheel machine simultaneously vertical support 41 and end wall bracket 42 are separated automatically, pass straight support 41 by bearing pin and vertical support 41 and purlin framework 3 are connected as one with pin shaft hole 32 on the purlin framework 3;
11) installation of jib shelf 13:
Adopt the loop wheel machine integral hoisting to hull 14, place by the location dimension line 146 that marks jib shelf 13 in advance, and with hull 14 deck firm welding;
12) installation of jib 5:
(1) drop hanger on the steel rope is hung on the suspension centre of having chosen, adopt floating loop wheel machine lifting jib 5;
Outline is raised jib 5 heads when (2) jib hinge 51 bearing pins being installed, make jib 5 become 3～4 ° of angles with horizontal surface, so that hinge 51 assembles smoothly, fall gib head at last after rise jib 5 is shelved on the jib shelf 13, the hinge 51 of jib 5 is hinged by bearing pin and purlin framework 3;
13) installation of luffing control mechanism 91:
With loop wheel machine 91 liftings of luffing control mechanism are gone on board, and be fixed on the luffing platform 9, an end points of 2 steel ropes 912 is fixed on the reel, steel rope 912 is through being located at fixed pulley 44 on the Shears 4, enter and be located at jib 5 head fixed pulleys 52, after the multiple winding of process between running block and the fixed pulley group, after process fixed pulley 44, leading sheave 43 turn on the Shears 4, dock by balancing device at two steel ropes of Shears 4 heads;
14) installation of main hook 11, main hoisting mechanism steel rope 111, auxiliary hook 12:
With loop wheel machine main hook and auxiliary hook lifting are gone on board, wherein the fixed pulley group of main hook and auxiliary hook partly is connected with jib 5 heads by bearing pin pivotally attached mode, and running block is partly treated to connect when general assembly finishes the back reeve; 15) assembling of each control mechanism in the machine house 8 and Be Controlled parts:
The first step: swing type mechanism and the assembling of rotating lower support 1 and reversing chassis 2:
During installation, three of gears in the swing type mechanism are one group, totally 4 groups, be uniformly distributed in around the turntable structure 11 of rotation lower support 1, and with turntable structure 11 on pinwheel engagement, the vertical variable-frequency motor that is installed on the reversing chassis 2 rotates through the drop-gear box driven gear, and drives the pinwheel rotation, thereby reversing chassis 2 is rotated;
Second step: the assembling of main hoisting mechanism and Shears 4 and jib 5:
The end points of the steel rope 111 in the main hoisting mechanism is fixed on the reel, walk around the leading sheave 45 that is located on the Shears 4, enter the deflection sheave 53 at jib 5 middle parts, enter the fixed pulley group of main hook 11 again, after the multiple winding of process between running block and the fixed pulley group, after leading, entering equalizer pulley on the jib 5;
The 3rd step: the assembling of auxiliary hook lifting mechanism and Shears 4 and jib 5:
Two end points of the steel rope in the auxiliary hook lifting mechanism are fixed on the reel, steel rope is walked around the leading sheave 45 on the Shears 4, advanced the deflection sheave 53 at jib 5 middle parts, enter the fixed pulley group of auxiliary hook 12 again, after the multiple winding of process between running block and the fixed pulley group, after entering equalizer pulley after the process guiding on the jib 5, dock by balancing device with the other end;
By the installation of above-mentioned steps, with the goliath integral installation on crane ship.
In the installation of described reversing chassis 2, calculate, select suitable specification wire rope according to reversing chassis 2 total weightes and formula; During installation, guarantee that the longitudinal centerline of reversing chassis 2 becomes 6 ° of angles with hull 14 longitudinal centerlines, that is: depart from the angle of hull 14 line of centerss when jib 5 lies in a horizontal plane in jib shelf 13.
Beneficial effect of the present invention, the present invention can accelerate erection schedule owing to adopt above-mentioned packaging technology under the prerequisite that guarantees safety and assembly quality, alleviate operating personnel's manual labor.Simultaneously, improved hoisting crane integral hoisting ability, the lifting ability of hoisting crane is more than 7000 tons, and lifting tonnage height can be with the integrated construction of macrotype platform chunk, and integral hoisting reduces difficulty of construction and marine operation risk, the reduction of erection time, increases economic efficiency.
Description of drawings:
Fig. 1 is deck in ship structure line scheme drawing of the present invention.
Fig. 2 is a cylinder scheme of installation of the present invention.
Fig. 3 rotates the lower support scheme of installation for the present invention.
Fig. 4 is a jacking cylinder scheme of installation of the present invention.
Fig. 5 is a reversing chassis scheme of installation of the present invention
Fig. 6 is a weight box scheme of installation of the present invention.
Fig. 7 is a purlin of the present invention framework scheme of installation.
Fig. 8 is a machine house scheme of installation of the present invention.
Fig. 9 is a luffing platform scheme of installation of the present invention.
Figure 10 is inventor's cabinet frame scheme of installation.
Figure 11 is a jib shelf scheme of installation of the present invention.
Figure 12 is a jib scheme of installation of the present invention.
Figure 13 is a luffing control mechanism scheme of installation of the present invention.
Figure 14 is an integral structure scheme of installation of the present invention.
Major label description in figure:
1 rotation lower support, 11 turntable structures, 113 cylindrical drum urceolus, 2 reversing chassis, 27 jacking supports, 3 purlin frameworks, 31 purlin frame pin axis holes, 32 purlin frame pin axis holes, 4 Shearves, 41 vertical supports, 411 vertical support hangers, 42 end wall brackets, 421 end wall bracket hangers, 43 leading sheaves, 44 fixed pulleys, 45 leading sheaves, 5 jibs, 51 jib hinges, 52 fixed pulleys, 53 deflection sheavies, the 6 anti-supports that topple, 7 weight boxs, 8 machine houses, 9 luffing platforms, 91 luffing control mechanisms, 10 jacking cylinders, 11 main hooks, 111 main hoisting mechanism steel ropes, 12 auxiliary hooks, 13 jib shelves, 14 hulls, 141 deck cylinders, 16 crane barge main hooks, 17 crane barge auxiliary hooks.
The specific embodiment
In order to simplify assembling procedure aboard ship, large revolving hoisting crane major part is carried out prefabricated assembling on land respectively, then, again these parts liftings are gone on board, carry out the assembling of complete machine aboard ship again.
As shown in figure 14, the prefabricated major part that assembles comprises: rotation lower support 1, reversing chassis 2, purlin framework 3, Shears 4, jib 5, anti-topple support 6, weight box 7, machine house 8, luffing platform 9, jacking cylinder 10, main hook 11, auxiliary hook 12, jib shelf 13 and deck cylinder 141 etc.Above-mentioned parts adopt following installation steps:
1) crane ship deck in ship structure line:
As shown in Figure 1,1. at first to carry out ballasting weights and regulate,, make hull maintenance level by adjusting the weight of clump weight to crane ship hull 14; 2. on the deck plane of hull 14, mark longitudinal centerline 142 and the rotation lower support 1 cross centre line 143, with longitudinal centerline 142 and the rotation lower support 1 cross centre line 143 be the location dimension line that datum line marks the major parts such as location dimension line 146 of jib shelf 13.
2) as shown in Figure 2, deck cylinder 141 is put well by line of position 144 positions of cylinder, and adopted welding manner to be fixed on the deck in ship structure;
3) installation of rotation lower support 1 as shown in Figure 3:
Rotation lower support 1 is a cylinder-like structure, and top is provided with turntable structure 11, and turntable structure is double-deck disc-shaped structure, is evenly distributed with pinwheel on the periphery of turntable, is provided with the gap between each pinwheel; The top of rotation lower support 1 is the prefabricated roller track that welded in top of turntable structure just, and rolling wheel support places on the roller track, is used to support reversing chassis 2.
(1) prepares before the lifting: the total weight that calculates rotation lower support 1, because rotation lower support 1 is cylindric symmetrical structure, center of gravity is on axis, so suspension centre is uniformly distributed on turntable structure 11 peripheries, choose four suspension centres, adopt floating loop wheel machine four hook blocks dress, and suspension hook is by the center of gravity of rotation lower support 1.
(2) according to steel rope load-bearing size, according to steel rope pulling force allowable, select suitable steel rope lifting, lineoutofservice signal pull can be obtained by formula 1.
Formula 1
In the formula: Q-is by lifting part weight (kilogram)
N-steel rope numbers of branches
Each branch of α-steel rope is to the drift angle of perpendicular line
The K-safety factor
The K1-Dynamic factor is generally got K1=1.1
The K2-unbalance factor is generally got K2=1.2～1.3
The rupture pull force of P-steel rope (kilogram)
(3) lifting of rotation lower support 1:
As shown in Figure 2, steel rope hung oneself to be hooked on choose on four suspension centres, start the loop wheel machine lifting, to rotate lower support 1 lifting goes on board, and put down by cross centre line 143 positions of rotation lower support 1, the deck cylinder 141 on making cylindrical drum urceolus 113 and being weldingly fixed on crane ship hull 14 docks and welds to be fixed.
4) installation of jacking cylinder 10
As shown in Figure 4, jacking cylinder 10 overlaps independently hydraulic gear by two and forms, prefabricated on land jacking cylinder 10 usefulness loop wheel machines are sling be symmetrically placed in the afterbody of hull, rotation lower support 1 both sides, and adopt welding manner to be fixed on the deck in ship structure, when hoisting crane fixedly hung the highest tonnage, jib 5 rotated to stern, jack in the jacking cylinder 10 can reduce the distortion of hoisting crane primary member so to greatest extent with jacking support 27 jack-up on the reversing chassis 2.
5) installation of reversing chassis 2:
As shown in Figure 5, reversing chassis 2 is a symmetrical structure, mainly is made of primary members such as center crossbeam 22, center stringer 23, front and back end carriage 24, side girder 25, swing type mechanism support 26, jacking supports 27.
(1) choose four suspension centres on reversing chassis 2, steel rope is hung oneself to be hooked on four suspension centres, adopts the lifting of floating loop wheel machine four hook blocks dress, and reversing chassis 2 liftings are gone on board, and calculates according to reversing chassis 2 total weightes and formula 1, selects suitable specification wire rope.During installation, guarantee that the longitudinal centerline of reversing chassis 2 becomes 6 ° of angles with hull 14 longitudinal centerlines, that is: depart from the angle of hull 14 line of centerss when jib 5 lies in a horizontal plane in jib shelf 13.
(2) reversing chassis 2 is placed on the roller on turntable structure 11 tops on the rotation lower support 1, and adopts bolt connecting mode that reversing chassis 2 is fixed on the turntable structure 11 that rotates on the lower support 1, reversing chassis 2 can rotate back and forth on roller.
6) installation of weight box 7
As shown in Figure 6, weight box 7 is parts of making in order to keep hoisting crane stressed stability of when work, is positioned at the afterbody of reversing chassis 2, can prevent that hoisting crane from toppling.Weight box 7 is the steel-structure box body, earlier weight box cylinder support moulding bed 71 is put before the lifting weight box 7 and is put in place, reinstates loop wheel machine then weight box 7 is winched on the cylinder support moulding bed 71, is welded in reversing chassis 2 rears at last.After weight box 7 installation welding finished, the pouring weight concrete was removed the support moulding bed then.
7) installation of purlin framework 3:
(1) the prefabricated on land soldering group of purlin framework 3 each assembly is dressed up a steel structure purlin framework integral body.
(2) lifting of purlin framework 3:
As shown in Figure 7, purlin framework 3 is the left-right symmetric formula, steel rope hung oneself to be hooked on choose on four suspension centres, adopt the lifting of floating loop wheel machine four hook blocks dress, purlin framework 3 is carried out integral hoisting, and according to the fitting line of the purlin framework 3 that marks on the reversing chassis 2, purlin framework 3 is placed on the reversing chassis 2, then, adopt welding manner to weld all butt welds, purlin framework 3 is fixedly connected on the reversing chassis 2.
8) installation of machine house 8
As shown in Figure 8, machine house 8 is to be made by steel bracket, flat board, is the centralized control mechanism of whole hoisting crane.Inside is provided with: main hoisting mechanism, auxiliary hook lifting mechanism, swing type mechanism etc.(control mechanism in the machine house 8 is prefabricated and the good prior art of debugging, does not remake at this to be described in detail.) adopt loop wheel machine that machine house 8 liftings are gone on board, and adopt welding manner to be fixed in reversing chassis 2 tops, the hollow space of purlin framework 3.
9) luffing platform 9 is installed:
As shown in Figure 9, luffing platform 9 and luffing mechanism 91 are parts of raising angle of jib 5 when being used for controlling hoisting crane work, and luffing platform 9 is the steel module of the good truss structure of prefabricated on land welding, is used for placing luffing control mechanism 91.
Adopt the lifting of floating loop wheel machine double hook, 9 liftings of luffing platform are gone on board, and be placed on the weight box 7, will be welded as a whole with weight box 7 and purlin framework 3 respectively behind its installation in position.
10) installation of Shears 4:
(1) as shown in figure 10, Shears 4 is by vertical support 41, and end wall bracket 42 is formed, vertical support 41, and end wall bracket 42 is the steel-structure box ellbeam, and is on land that vertical support 41 is hinged with end wall bracket 42 in advance; End wall bracket 42 prefabricated welding assemblies in anti-topple support 6 and the Shears 4 together, fixed pulley is installed on the top of Shears 4, in order to lay winding wire ropes.
(2) lifting of Shears 4: adopt the lifting of floating loop wheel machine double hook, during lifting, crane barge auxiliary hook 17 tangles on the lower end hanger 411 of vertical support 41, in case vertical support 41 is swung in the lifting process.Crane barge main hook 16 tangles end wall bracket hanger 421, and after lifting put in place, the pin shaft hole 31 that passes on end wall bracket 42 and the purlin framework 3 by bearing pin connected as one the two.
Then, fall auxiliary hook 17 after rise, the steel rope on the auxiliary hook 17 is unclamped, again crane barge main hook 16 is fallen after rise, move behind the floating loop wheel machine simultaneously vertical support 41 and end wall bracket 42 are separated automatically, pass straight support 41 by bearing pin and connect as one with pin shaft hole 32 vertical supports 41 and purlin framework 3 on the purlin framework 3.
11) installation of jib shelf 13:
As shown in figure 11, jib shelf 13 is the trapezoid support of steel truss structure, make assembling on land and finish the back integral hoisting to hull 14, by location dimension line 146 placements that mark jib shelf 13 in advance, and with hull 14 deck firm welding.
12) installation of jib 5:
(1) as shown in figure 12, jib 5 is made of the array steel structure truss, and at first on land with the jib 5 prefabricated integral body that are assembled into, jib 5 heads are installed fixed pulley 52, and deflection sheave 53 is installed in order to lay winding wire ropes in jib 5 middle parts.
(2) lifting of jib 5:
Drop hanger on the steel rope hung over choose on four suspension centres, adopt floating loop wheel machine four to hook and hang, during lifting, make four gib heads all stressed earlier, then, will hoist, make head disengaging moulding bed earlier, then, hoist again by two gib heads of hinge near two gib heads of jib 5 heads.
Outline was raised jib 5 heads when jib hinge 51 bearing pins of jib 5 were installed, make jib 5 become 3～4 ° of angles with horizontal surface, so that hinge 51 assembles smoothly, fall gib head at last after rise jib 5 is shelved on the jib shelf 13, the hinge 51 of jib 5 is hinged by bearing pin and purlin framework 3.
13) installation of luffing control mechanism 91:
As shown in figure 13, with loop wheel machine 91 liftings of prefabricated luffing control mechanism are gone on board, and be fixed on the luffing platform 9, comprise in the luffing control mechanism 91: two cover alternating current dynamos, the high speed plunging joint, drop-gear box, cable drum, steel rope etc., an end points of 2 steel ropes 912 is fixed on the reel, steel rope 912 is through being located at fixed pulley 44 on the Shears 4, enter and be located at jib 5 head fixed pulleys 52, after the multiple winding of process between running block and the fixed pulley group, process fixed pulley 44 on Shears 4, after leading sheave 43 turns to, dock by balancing device at two steel ropes of Shears 4 heads.Can control angle that jib 5 raises and jib 5 lift heavys amplitude thus apart from reversing chassis 2.
14) installation of main hook 11, main hoisting mechanism steel rope 111, auxiliary hook 12:
As shown in figure 14, with loop wheel machine main hook and auxiliary hook lifting are gone on board, main hook 11 and auxiliary hook 12 structural similitudies, just vary in size, all be made up of hook main body, fixed pulley group, running block and winding steel rope thereon, wherein the fixed pulley group partly is connected with jib 5 heads by bearing pin pivotally attached mode, just links together with jib 5 assemblings before jib 5 liftings, running block connects during reeve after treating that partly general assembly finishes.
15) assembling of each control mechanism in the machine house 8 and Be Controlled parts:
The first step: the assembling of swing type mechanism and reversing chassis 2:
Swing type mechanism overlaps independently by 12 that mechanism forms, and the hoisting crane rotation is finished by 12 cover rotating mechanism common actions, is prior art prefabricated and that debugging is good, and every cover mechanism comprises: vertical variable-frequency motor, vertical-type planetary drop-gear box, gear.
During installation, three of gears in the swing type mechanism are one group, totally 4 groups, be uniformly distributed in around the turntable structure 11 of rotation lower support 1, and with turntable structure 11 on pinwheel engagement, the vertical variable-frequency motor that is installed on the reversing chassis 2 rotates through the drop-gear box driven gear, and drives the pinwheel rotation, thereby reversing chassis 2 is rotated.
Second step: the assembling of main hoisting mechanism and Shears 4 and jib 5:
Main hoisting mechanism is a prior art prefabricated and that debugging is good, overlaps independently by two that mechanism forms, and every cover mechanism comprises: 2 alternating current dynamos, 2 cog-wheel couplings, 1 drop-gear box, 2 cable drums, steel rope etc.,
As shown in figure 14,4 end points of 2 steel ropes are fixed on 4 reels, walk around the leading sheave 45 that is located on the Shears 4, enter the deflection sheave 53 at jib 5 middle parts, enter the fixed pulley group of main hook 11 again, after the multiple winding of process between running block and the fixed pulley group, after leading, entering equalizer pulley on the jib 5.
The 3rd step: the assembling of auxiliary hook lifting mechanism and Shears 4 and jib 5:
The auxiliary hook lifting mechanism is prefabricated and the good prior art of debugging, auxiliary hoisting mechanism overlaps independently by one, and mechanism forms, mechanism comprises: 2 alternating current dynamos, cog-wheel coupling, drop-gear box, 2 cable drums, steel rope etc., two end points of 2 steel ropes are fixed on 2 reels, steel rope is walked around the leading sheave 45 on the Shears 4, advanced the deflection sheave 53 at jib 5 middle parts, enter the fixed pulley group of auxiliary hook 12 again, after the multiple winding of process between running block and the fixed pulley group, after entering equalizer pulley after the process guiding on the jib 5, dock by balancing device with the other end.
By the installation of above-mentioned steps, on crane ship, the goliath after the installation also will carry out as performance adjustments such as lift heavy, luffing test check hoisting crane integral body with the goliath integral installation, through after the assay was approved various, and can be with place in operation.
Vessel's Description during the hull crane job: fixing lifting: 2 ° of trims, 1.5 ° of heels, the revolution lifting: 2 ° of trims, 3.5 ° of heels, the degree of dip of hull meets relevant criterion.
All parts of large revolving hoisting crane and electrical control components and parts are known technology.Unaccounted parts and electrical control components and parts connection mode and packaging technology are known technology.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1. the packaging technology of a large revolving crane on crane ship, large revolving hoisting crane major part comprises: rotation lower support (1), reversing chassis (2), purlin framework (3), Shears (4), jib (5), weight box (7), machine house (8), luffing platform (9), luffing control mechanism (91), jacking cylinder (10), main hook (11), auxiliary hook (12), jib shelf (13) and deck cylinder (141), and it is characterized in that: above-mentioned parts adopt following installation steps:
1) crane ship deck in ship structure line:
1. at first to carry out ballasting weights and regulate,, make hull maintenance level by adjusting the weight of clump weight to crane ship hull (14);
2. on the deck plane of hull (14), mark longitudinal centerline (142) and the rotation lower support (1) cross centre line (143), with longitudinal centerline (142) and the rotation lower support (1) cross centre line (143) be the location dimension line that datum line marks the location dimension line major parts such as (146) of jib shelf (13);
2) deck cylinder (141) is put well by the position of the line of position (144) of cylinder, and adopted welding manner to be fixed on the deck in ship structure;
3) installation of rotation lower support (1):
Steel rope hung oneself be hooked on the suspension centre of having chosen, start the loop wheel machine lifting, to rotate lower support (1) lifting goes on board, and press cross centre line (143) position that rotates lower support (1) and put down, the deck cylinder (141) on making cylindrical drum urceolus (113) and being fixed on crane ship hull (14) docks and is fixing;
4) installation of jacking cylinder (10)
Jacking cylinder (10) sling with loop wheel machine is symmetrically placed in the afterbody of hull, rotation lower support (1) both sides, and adopt welding manner to be fixed on the deck in ship structure;
5) installation of reversing chassis (2):
(1) choose suspension centre on reversing chassis (2), steel rope is hung oneself to be hooked on the suspension centre of having chosen, with loop wheel machine reversing chassis (2) lifting is gone on board;
(2) reversing chassis (2) is placed on the roller on turntable structure (11) top on the rotation lower support (1), and adopts bolt connecting mode reversing chassis (2) to be fixed on the turntable structure (11) of rotation lower support (1);
6) installation of weight box (7)
(1) lifting weight box (7) is put weight box cylinder support moulding bed (71) earlier before and is put in place,
(2) reinstate loop wheel machine weight box 7 is winched on the cylinder support moulding bed (71), be welded in reversing chassis at last
(2) rear, after weight box (7) installation welding finished, the pouring weight concrete then, was removed the support moulding bed;
7) installation of purlin framework (3):
(1) steel rope is hung oneself is hooked on the suspension centre of having chosen, adopt the floating loop wheel machine that purlin framework (3) is carried out integral hoisting, and, purlin framework (3) is placed on the reversing chassis (2) according to the fitting line of the purlin framework (3) that marks on the reversing chassis (2);
(2) weld all butt welds, purlin framework (3) is fixedly connected on the reversing chassis (2);
8) installation of machine house (8)
Adopt loop wheel machine that machine house (8) lifting is gone on board, and adopt welding manner that machine house (8) is fixed on reversing chassis (2) top, the hollow space of purlin framework (3);
9) luffing platform (9) is installed:
The lifting of employing loop wheel machine is gone on board luffing platform (9) lifting, and is placed on the weight box (7), will be welded as a whole with weight box (7) and purlin framework (3) respectively behind luffing platform (9) installation in position;
10) installation of Shears (4):
(1) adopts the lifting of floating loop wheel machine, during lifting, crane barge auxiliary hook (17) tangles on the hanger (411) of lower end of vertical support (41), crane barge main hook (16) tangles end wall bracket hanger (421), after lifting put in place, the pin shaft hole (31) that passes on end wall bracket (42) and the purlin framework (3) by bearing pin connected as one the two;
(2) fall auxiliary hook (17) after rise, steel rope on the auxiliary hook (17) is unclamped, again crane barge main hook (16) is fallen after rise, move behind the floating loop wheel machine simultaneously vertical support (41) and end wall bracket (42) are separated automatically, pass straight support (41) by bearing pin and vertical support (41) and purlin framework (3) are connected as one with pin shaft hole (32) on the purlin framework (3);
11) installation of jib shelf (13):
Adopt the loop wheel machine integral hoisting to hull (14), place by the location dimension line (146) that marks jib shelf (13) in advance, and with hull (14) deck firm welding;
12) installation of jib (5):
(1) drop hanger on the steel rope is hung on the suspension centre of having chosen, adopt floating loop wheel machine lifting jib (5);
Outline is raised jib (5) head when (2) jib hinge (51) bearing pin being installed, make jib (5) become 3～4 ° of angles with horizontal surface, so that hinge (51) assembling smoothly, fall gib head at last after rise jib (5) is shelved on the jib shelf (13), the hinge (51) of jib (5) is hinged by bearing pin and purlin framework (3);
13) installation of luffing control mechanism (91):
With loop wheel machine luffing control mechanism (91) lifting is gone on board, and be fixed on the luffing platform (9), an end points of 2 steel ropes (912) is fixed on the reel, steel rope (912) is gone up fixed pulley (44) through being located at Shears (4), enter and be located at jib (5) head fixed pulley (52), after the multiple winding of process between running block and the fixed pulley group, after Shears (4) upward turns to through fixed pulley (44), leading sheave (43), dock by balancing device at two steel ropes of Shears (4) head;
14) installation of main hook (11), main hoisting mechanism steel rope (111), auxiliary hook (12):
With loop wheel machine main hook and auxiliary hook lifting are gone on board, wherein the fixed pulley group of main hook and auxiliary hook partly is connected with jib (5) head by bearing pin pivotally attached mode, and running block is partly treated to connect when general assembly finishes the back reeve;
15) each control mechanism in the machine house (8) and the assembling of Be Controlled parts:
The first step: swing type mechanism and the assembling of rotating lower support (1) and reversing chassis (2):
During installation, three of gears in the swing type mechanism are one group totally 4 groups, be uniformly distributed in the rotation lower support (1) turntable structure (11) on every side, and with turntable structure (11) on pinwheel engagement, the vertical variable-frequency motor that is installed on the reversing chassis (2) rotates through the drop-gear box driven gear, and drive the pinwheel rotation, thereby reversing chassis (2) is rotated;
Second step: the assembling of main hoisting mechanism and Shears (4) and jib (5):
The end points of the steel rope in the main hoisting mechanism (111) is fixed on the reel, walk around the leading sheave (45) that is located on the Shears (4), enter the deflection sheave (53) at jib (5) middle part, enter the fixed pulley group of main hook (11) again, after the multiple winding of process between running block and the fixed pulley group, after going up through guiding, jib (5) enters equalizer pulley;
The 3rd step: the assembling of auxiliary hook lifting mechanism and Shears (4) and jib (5):
Two end points of the steel rope in the auxiliary hook lifting mechanism are fixed on the reel, steel rope is walked around the leading sheave (45) on the Shears (4), advanced the deflection sheave (53) at jib (5) middle part, enter the fixed pulley group of auxiliary hook (12) again, after the multiple winding of process between running block and the fixed pulley group, after after jib (5) is gone up through guiding, entering equalizer pulley, dock by balancing device with the other end;
By the installation of above-mentioned steps, with the goliath integral installation on crane ship.
2. the packaging technology of large revolving crane on crane ship according to claim 1 is characterized in that: in the installation of described reversing chassis (2), calculate according to reversing chassis (2) total weight and formula, select suitable specification wire rope; During installation, guarantee that the longitudinal centerline of reversing chassis (2) becomes 6 ° of angles with hull (14) longitudinal centerline, that is: depart from the angle of hull (14) line of centers when jib (5) lies in a horizontal plane in jib shelf (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810239809A CN101746480A (en) | 2008-12-12 | 2008-12-12 | Technique for assembling large revolving crane on crane ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810239809A CN101746480A (en) | 2008-12-12 | 2008-12-12 | Technique for assembling large revolving crane on crane ship |
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| CN101746480A true CN101746480A (en) | 2010-06-23 |
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| CN200810239809A Pending CN101746480A (en) | 2008-12-12 | 2008-12-12 | Technique for assembling large revolving crane on crane ship |
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| CN101983894A (en) * | 2010-11-17 | 2011-03-09 | 武汉船用机械有限责任公司 | Pretension and lay-off method and device of crane jib for ship |
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| CN101983894A (en) * | 2010-11-17 | 2011-03-09 | 武汉船用机械有限责任公司 | Pretension and lay-off method and device of crane jib for ship |
| CN102134045A (en) * | 2011-04-28 | 2011-07-27 | 中国海洋石油总公司 | Rotating disk type rotary bearing device |
| CN102807166B (en) * | 2011-05-31 | 2014-10-15 | 三菱重工业株式会社 | Deck crane |
| CN102807166A (en) * | 2011-05-31 | 2012-12-05 | 三菱重工业株式会社 | Deck crane |
| CN102328728A (en) * | 2011-06-01 | 2012-01-25 | 江苏熔盛造船有限公司 | Assembly method of chassis of heavy oceaneering crane of deepwater pipe-lay crane vessel |
| CN102328728B (en) * | 2011-06-01 | 2013-08-14 | 江苏熔盛造船有限公司 | Assembly method of chassis of heavy oceaneering crane of deepwater pipe-lay crane vessel |
| CN102390626A (en) * | 2011-07-07 | 2012-03-28 | 中国十七冶集团有限公司 | Protection device for towing main arm of large-scale crane |
| CN102390626B (en) * | 2011-07-07 | 2013-04-03 | 中国十七冶集团有限公司 | Protection device for towing main arm of large-scale crane |
| CN102303812A (en) * | 2011-08-29 | 2012-01-04 | 上海振华重工集团（南通）有限公司 | Large-scale wind turbine installation vessel crane and integral assembling method thereof |
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| CN102530735B (en) * | 2012-02-22 | 2014-04-09 | 象王重工股份有限公司 | Entire loading and transporting technology and equipment for portal crane |
| CN102583166A (en) * | 2012-03-19 | 2012-07-18 | 董兰田 | Boom reversing hydraulic supporting and fixing device for large fixed boom floating crane |
| CN103879908A (en) * | 2014-03-28 | 2014-06-25 | 中国十七冶集团有限公司 | Undercarriage for mounting/dismounting main boom of large-sized tower crane and use method thereof |
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| CN105417403A (en) * | 2016-01-08 | 2016-03-23 | 招商局重工（江苏）有限公司 | Method for installing ultrahigh ultra-large type floating crane in dock |
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| CN106184617A (en) * | 2016-07-11 | 2016-12-07 | 葛洲坝机械工业有限公司 | A kind of installation method of support cylinder |
| CN107572426A (en) * | 2017-09-26 | 2018-01-12 | 中海油能源发展股份有限公司 | A kind of portable offshore platform crane truss-like arm more changing device |
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| CN109534187A (en) * | 2019-01-21 | 2019-03-29 | 上海振华重工(集团)股份有限公司 | A kind of hanging method suitable for radial type A-frame on full circle swinging floating-crane ship |
| CN109534187B (en) * | 2019-01-21 | 2020-01-10 | 上海振华重工(集团)股份有限公司 | Hoisting method suitable for hinged propeller strut on full-rotation floating crane ship |
| CN111039194A (en) * | 2019-11-26 | 2020-04-21 | 南通振华重型装备制造有限公司 | Super-large crane final assembly process |
| CN111074963A (en) * | 2019-12-30 | 2020-04-28 | 贵州詹阳动力重工有限公司 | Quick-dismounting emergency excavator and mounting method thereof |
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Open date: 20100623 |