CN104942564B - A kind of offshore vessel carries the installation method of the large-tonnage bearing pin on jib-type crane arm support - Google Patents

A kind of offshore vessel carries the installation method of the large-tonnage bearing pin on jib-type crane arm support Download PDF

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Publication number
CN104942564B
CN104942564B CN201510234664.9A CN201510234664A CN104942564B CN 104942564 B CN104942564 B CN 104942564B CN 201510234664 A CN201510234664 A CN 201510234664A CN 104942564 B CN104942564 B CN 104942564B
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China
Prior art keywords
installation
bearing pin
tonnage
plate
arm support
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CN201510234664.9A
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CN104942564A (en
Inventor
舒云峰
杨少波
侯艳艳
丁天波
权洪涛
吴作价
王玉浪
陈凡
刘威
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Qingdao Haixi Heavy Duty Machinery Co Ltd
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Qingdao Haixi Heavy Duty Machinery Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same

Abstract

The invention discloses a kind of offshore vessel carries the installation method of the large-tonnage bearing pin on jib-type crane arm support, which passes through assembling fairlead and Crashworthy plate on large-tonnage bearing pin to be installed, and the installation of large-tonnage bearing pin is carried out using combined type installation tool, significantly reduce the installation difficulty that offshore vessel carries the large-tonnage bearing pin on jib-type crane arm support, installation effectiveness is improve, installation period is shortened, is reduced labour intensity, and ensure the personal safety during installation operation.Which is relative to traditional installation method, high, simple to operate, time saving and energy saving with installation effectiveness, and installation process security is good, and the beneficial effect such as installation quality is reliable and stable of bearing pin.

Description

A kind of offshore vessel carries the installation method of the large-tonnage bearing pin on jib-type crane arm support
Technical field
A kind of a kind of the present invention relates to installation method of large-tonnage axle, more particularly to offshore vessel load jib-type crane arm support On large-tonnage bearing pin installation method.
Background technology
Offshore vessel load jib-type crane build is huge, heavy, and the large-tonnage bearing pin appearance and size on its arm support is big, component Weight (length is more than 2.5m, and diameter about 1m, weight are more than 10t), is always the difficulties that installs, and its installation process is time-consuming to take During power, and installation operation, accidentally just it is easy to personal injury accident occur.
Especially since its applying working condition is more special, seawater the tide is flowing and ebbing, is vacillated now to the left, now to the right at dipping and heaving, if one The hull of secondary tide process is relatively steady period (generally, a stable slack period only has 2 hours or so), it is impossible to disposable Large-tonnage bearing pin is assembled in the pin shaft hole of arm support, is just likely to that all that has been achieved is spoiled, need to again wait for the tide mistake of another time When the hull of journey is relatively steady, reinstalled.
In prior art, the peace of large-tonnage bearing pin is originally carried out mainly by hoisting and hanging plus artificial " percussion hammer " formula method Dress.Specially:Two truck cranes are used cooperatively, the wherein one large-tonnage bearing pin that plays, another percussion hammer that plays are held by percussion hammer The continuous mode that clashes into is installed.This mounting means, one is to look for point location very difficult, more seriously, due to bearing pin Unavoidable generation during being impacted of playing rocks shakiness, causes bearing pin to be difficult with pin shaft hole concentric, directly affects assembling quality, very To being the damage or damage that cause bearing pin.It is conceivable that, above-mentioned traditional ram type installation method is a very long and consumption The huge engineering of work effort.
In actual production process, often there is personal injury accident.
How on the basis of existing technology, by the combination of serial installation tool, be applied in combination, effectively to reduce Offshore vessel carries the installation difficulty of the large-tonnage bearing pin on jib-type crane arm support, improves installation effectiveness, shortens installation period, drop Low labour intensity, and ensure the personal safety during installation operation, have become those skilled in the art urgently to be resolved hurrily one Individual technical problem.
Content of the invention
It is an object of the present invention to provide a kind of offshore vessel carries the installation side of the large-tonnage bearing pin on jib-type crane arm support Method, its installation effectiveness are high, simple to operate, time saving and energy saving, and installation process security is good.
The technical scheme adopted for achieving the above object by the present invention is that a kind of offshore vessel is carried on jib-type crane arm support Large-tonnage bearing pin installation method, installed using combined type installation tool, it is characterised in that the combined type erector Tool includes arm support bearing, supporting skid rail component, drafter, percussion hammer, assembling crane, fairlead and anticollision backplate;Wherein:
The large-tonnage bearing pin is that thick multidiameter between the detail of two ends, its two axial ends end face are evenly equipped with a number of frock Screw;
The supporting skid rail component includes support jig, hydraulic jack and supporting skid rail;
The support jig is tower structure, and which is placed on the deck of ship;The hydraulic jack quantity is four, point Left and right two row is arranged symmetrically, and its base is individually positioned in the top of the support jig;The supporting skid rail includes horizontal base With cambered way two parts, the concave surface of the cambered way upward, fixed with the horizontal base by the convex surface of the cambered way Connection;The horizontal base of the supporting skid rail is placed on aforementioned four jack;
With the curved support slideway longitudinal axis as symmetry axis, in the left and right sides of the concave surface of the curved support slideway, Along the longitudinal direction of the curved support slideway, it is respectively symmetrically and is provided with two row's back-up roller wheels;
The drafter includes chain block, the first fixed pulley, the second fixed pulley and steel wire rope;
The chain block is hung oneself on the anchoring device being hooked on boat deck, and lower suspension hook is connected with steel wire rope;
The bearing of first fixed pulley is fixed on a ship 's;
The fairlead is integral type structure, and stretching out including circular bottom plate, along one end periphery of circular bottom plate to form One connecting section and the insertion pipe portion to be formed that stretches out along another end periphery of circular bottom plate;
External diameter of the external diameter of the connecting section less than or equal to the large-tonnage bearing pin;
The insertion pipe portion is in truncated cone-shaped structure, away from the taper end that one end of the circular bottom plate is truncated cone-shaped;
In the insertion pipe portion side, the center of the circular bottom plate is provided with an earhole plate;
The arm support bearing is placed between the support jig and first fixed pulley on the deck of ship, is integral type Structure, is used for placing the U-shaped breach portion that offshore vessel carries jib-type crane arm support including pedestal and one;
On the left and right sides plate positioned at same horizontal line in the U-shaped breach portion, offer one respectively and wear axle through hole;
Aperture of the aperture for wearing axle through hole more than the pin shaft hole, puts when offshore vessel carries jib-type crane arm support Put at the U-shaped breach portion, observe from left and right sides level, the pin shaft hole is all presented on described wearing in axle through hole Portion;
The bearing of second fixed pulley is fixed on the outside of the right plate in the U-shaped breach portion, into being detachably connected;
When the installment work of large-tonnage bearing pin is carried out:
The fairlead and one the first from left of anticollision backplate are right respectively by frock bolt and the frock screw and the big ton Position bearing pin is fixedly connected;
The steel wire rope via first fixed pulley, the second fixed pulley, is then passed through the pin shaft hole, fastens described successively On earhole plate;
The large-tonnage bearing pin is placed on the support jig, now, the fairlead towards the pin shaft hole side, The anticollision backplate deviates from the pin shaft hole side;When chain block is pulled and make steel wire rope be in tensioned state, described The steel wire rope of this section between the second fixed pulley and the earhole plate is overlapped with the horizontal axis of the pin shaft hole;
When the percussion hammer is suspended on the suspension hook of the assembling crane, right center point and the anticollision of the percussion hammer Line between the Left-side center point of backplate is overlapped with the horizontal axis of the pin shaft hole;
Under the driving of the assembling crane, left and right reciprocally swinging clashes into the anticollision backplate to the percussion hammer, same with this When, the chain block is manipulated by installation operation personnel, coordinates the dragging large-tonnage bearing pin to move right, until will be described big Tonnage bearing pin is assembled in the pin shaft hole.
What above-mentioned technical proposal was directly brought has the technical effect that, on the one hand, during installation operation, the balance of bearing pin and Good stability, by using cambered surface supporting skid rail, carrying out lift adjustment by hydraulic jack, can complete large-scale pin quickly Axle looks for point, positioning, keeping its axiality between hinge axis hole;
Due to being provided with two row's back-up roller wheels on supporting slide track for supporting bearing pin, apply rolling friction to replace sliding Friction, greatly reduces the resistance for wearing axle;
The relative position that supporting skid rail is additionally, since with arm support bearing is fixed, and when bearing pin is clashed into by percussion hammer, bearing pin is along sliding Road is steadily penetrated to pin shaft hole, and idle work is few, and installation effectiveness is greatly improved.
On the other hand, the use of fairlead and anticollision backplate, further increases installation effectiveness, it is ensured that in assembling process Bearing pin is unlikely to sustain damage.
Additionally, using cooperatively for draw-gear, can be greatly reduced labour intensity, the person during installation operation is ensured Safety.
By using tooling bracket coordinate leading block positioning with spacing, it is ensured that steel wire rope traction force efficient Property, while the condition for solving work high above the ground is limited, substantially increase and wear shaft efficiency.
Preferably, above-mentioned support jig is Height Adjustable.
What the optimal technical scheme was directly brought has the technical effect that, support jig Height Adjustable, can be with effectively solving The limited caused limitation of the lifting altitude of hydraulic jack.
In sum, the present invention is relative to prior art, high, simple to operate, time saving and energy saving with installation effectiveness, installs Journey security is good, and the beneficial effect such as installation quality is reliable and stable of bearing pin.
Description of the drawings
Fig. 1 is the installation theory structure schematic diagram of the present invention;
Fig. 2 is the position relationship schematic diagram of hydraulic jack and supporting skid rail;
Assembling structure schematic diagrams of the Fig. 3 for fairlead, anticollision backplate and bearing pin.
Description of reference numerals:Install and use in 1 support jig, 2 hydraulic jacks, 3 supporting skid rails, 4 back-up roller wheels, 5 percussion hammers, 6 The suspension hook of crane, 7 large-tonnage bearing pins, 8 arm supports, 9 second fixed pulleys, 10 steel wire ropes, 11 arm support bearings, 12 first fixed pulleys, 13 Chain block, 14 anchoring devices, 15 anticollision backplates, 16 frock bolts, 17 fairleads, 18 earhole plates.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
As shown in figure 1, the offshore vessel of the present invention carries the installation method of the large-tonnage bearing pin on jib-type crane arm support, adopt Installed with combined type installation tool, it is characterised in that combinations thereof formula installation tool includes arm support bearing 11, supporting skid rail Component, drafter, percussion hammer 5, assembling crane, fairlead 17 and anticollision backplate 15;Wherein:
Above-mentioned large-tonnage bearing pin 7 is that thick multidiameter between the detail of two ends, its two axial ends end face are evenly equipped with a number of work Dress screw;
Above-mentioned supporting skid rail component includes support jig 1, hydraulic jack 2 and supporting skid rail 3;
Above-mentioned support jig is tower structure, and which is placed on the deck of ship;Above-mentioned hydraulic jack quantity is four, point Left and right two row is arranged symmetrically, and its base is individually positioned in the top of above-mentioned support jig;Above-mentioned supporting skid rail includes horizontal base With cambered way two parts, the concave surface of above-mentioned cambered way upward, fixed with above-mentioned horizontal base by the convex surface of above-mentioned cambered way Connection;The horizontal base of above-mentioned supporting skid rail is placed on aforementioned four jack;
With above-mentioned curved support slideway longitudinal axis as symmetry axis, in the left and right sides of the concave surface of above-mentioned curved support slideway, Along the longitudinal direction of above-mentioned curved support slideway, it is respectively symmetrically and is provided with two row's back-up roller wheels 4;
Above-mentioned drafter includes chain block 13, the first fixed pulley 12, the second fixed pulley 9 and steel wire rope 10;
Above-mentioned chain block is hung oneself on the anchoring device 14 being hooked on boat deck, and lower suspension hook is connected with steel wire rope;
The bearing of above-mentioned first fixed pulley is fixed on a ship 's;
Above-mentioned fairlead 17 is integral type structure, and including circular bottom plate, stretching out along one end periphery of circular bottom plate to form The insertion pipe portion to be formed of a connecting section and stretching out along another end periphery of circular bottom plate;
External diameter of the external diameter of above-mentioned connecting section less than or equal to above-mentioned large-tonnage bearing pin;
Above-mentioned insertion pipe portion is in truncated cone-shaped structure, away from the taper end that one end of above-mentioned circular bottom plate is truncated cone-shaped;
In above-mentioned insertion pipe portion side, the center of above-mentioned circular bottom plate is provided with an earhole plate 18;
Above-mentioned arm support bearing is placed between above-mentioned support jig and above-mentioned first fixed pulley on the deck of ship, is integral type Structure, is used for placing the U-shaped breach portion that offshore vessel carries jib-type crane arm support including pedestal and one;
On the left and right sides plate positioned at same horizontal line in above-mentioned U-shaped breach portion, offer one respectively and wear axle through hole (figure Not shown in);
Aperture of the above-mentioned aperture for wearing axle through hole more than above-mentioned pin shaft hole, puts when offshore vessel carries jib-type crane arm support Put at above-mentioned U-shaped breach portion, observe from left and right sides level, above-mentioned pin shaft hole is all presented on above-mentioned wearing in axle through hole Portion;
The bearing of above-mentioned second fixed pulley is fixed on the outside of the right plate in above-mentioned U-shaped breach portion, into being detachably connected;
When the installment work of large-tonnage bearing pin is carried out:
Above-mentioned fairlead and one the first from left of anticollision backplate are right big with above-mentioned by frock bolt 16 and above-mentioned frock screw respectively Tonnage bearing pin is fixedly connected;
Above-mentioned steel wire rope via above-mentioned first fixed pulley, the second fixed pulley, is then passed through above-mentioned pin shaft hole, fastens above-mentioned successively On earhole plate;
Above-mentioned large-tonnage bearing pin is placed on above-mentioned support jig, now, above-mentioned fairlead towards above-mentioned pin shaft hole side, Above-mentioned anticollision backplate deviates from above-mentioned pin shaft hole side;When chain block is pulled and make steel wire rope be in tensioned state, above-mentioned The steel wire rope of this section between the second fixed pulley and above-mentioned earhole plate is overlapped with the horizontal axis of above-mentioned pin shaft hole;
When above-mentioned percussion hammer is suspended on the suspension hook 6 of above-mentioned assembling crane, the right center point of above-mentioned percussion hammer is anti-with above-mentioned The line hit between the Left-side center point of backplate is overlapped with the horizontal axis of above-mentioned pin shaft hole;
Under the driving of above-mentioned assembling crane, left and right reciprocally swinging clashes into above-mentioned anticollision backplate to above-mentioned percussion hammer, same with this When, above-mentioned chain block is manipulated by installation operation personnel, coordinates the above-mentioned large-tonnage bearing pin of dragging to move right, until will be above-mentioned big Tonnage bearing pin is assembled in above-mentioned pin shaft hole.
Above-mentioned support jig Height Adjustable.

Claims (2)

1. a kind of offshore vessel carries the installation method of the large-tonnage bearing pin on jib-type crane arm support, using combined type installation tool Installed, it is characterised in that the combined type installation tool includes arm support bearing, supporting skid rail component, drafter, hits Hammer, assembling crane, fairlead and anticollision backplate;Wherein:
The large-tonnage bearing pin is that thick multidiameter between the detail of two ends, its two axial ends end face are evenly equipped with a number of frock spiral shell Hole;
The supporting skid rail component includes support jig, hydraulic jack and supporting skid rail;
The support jig is tower structure, and which is placed on the deck of ship;The hydraulic jack quantity is four, a point left side, Right two rows are arranged symmetrically, and its base is individually positioned in the top of the support jig;The supporting skid rail include horizontal base and Cambered way two parts, the concave surface of the cambered way upward, fixed with the horizontal base and connected by the convex surface of the cambered way Connect;The horizontal base of the supporting skid rail is placed on aforementioned four jack;
With the curved support slideway longitudinal axis as symmetry axis, in the left and right sides of the concave surface of the curved support slideway, along institute The longitudinal direction of curved support slideway is stated, is respectively symmetrically and is provided with two row's back-up roller wheels;
The drafter includes chain block, the first fixed pulley, the second fixed pulley and steel wire rope;
The chain block is hung oneself on the anchoring device being hooked on boat deck, and lower suspension hook is connected with steel wire rope;
The bearing of first fixed pulley is fixed on a ship 's;
The fairlead is integral type structure, and stretch out the company to be formed including circular bottom plate, along one end periphery of circular bottom plate Adapter portion and the insertion pipe portion to be formed that stretches out along another end periphery of circular bottom plate;
External diameter of the external diameter of the connecting section less than or equal to the large-tonnage bearing pin;
The insertion pipe portion is in truncated cone-shaped structure, away from the taper end that one end of the circular bottom plate is truncated cone-shaped;
In the insertion pipe portion side, the center of the circular bottom plate is provided with an earhole plate;
The arm support bearing is placed between the support jig and first fixed pulley on the deck of ship, is integral type knot Structure, is used for placing the U-shaped breach portion that offshore vessel carries jib-type crane arm support including pedestal and one;
On the left and right sides plate positioned at same horizontal line in the U-shaped breach portion, offer one respectively and wear axle through hole;
Aperture of the aperture for wearing axle through hole more than pin shaft hole, when offshore vessel carry jib-type crane arm support be placed on described During U-shaped breach portion, observe from left and right sides level, the pin shaft hole is all presented on the inside for wearing axle through hole;
The bearing of second fixed pulley is fixed on the outside of the right plate in the U-shaped breach portion, into being detachably connected;
When the installment work of large-tonnage bearing pin is carried out:
The fairlead and one the first from left of anticollision backplate are right respectively by frock bolt and the frock screw and the large-tonnage pin Axle is fixedly connected;
The steel wire rope via first fixed pulley, the second fixed pulley, is then passed through the pin shaft hole successively, fastens in the earhole On plate;
The large-tonnage bearing pin is placed on the support jig, now, and the fairlead is towards the pin shaft hole side, described Anticollision backplate deviates from the pin shaft hole side;When chain block is pulled and make steel wire rope be in tensioned state, described second The steel wire rope of this section between fixed pulley and the earhole plate is overlapped with the horizontal axis of the pin shaft hole;
When the percussion hammer is suspended on the suspension hook of the assembling crane, the right center point of the percussion hammer and the anticollision backplate Left-side center point between line overlap with the horizontal axis of the pin shaft hole;
Under the driving of the assembling crane, left and right reciprocally swinging clashes into the anticollision backplate to the percussion hammer, at the same time, The chain block is manipulated by installation operation personnel, is coordinated and is dragged the large-tonnage bearing pin and move right, until by the big ton Position bearing pin is assembled in the pin shaft hole.
2. offshore vessel according to claim 1 carries the installation method of the large-tonnage bearing pin on jib-type crane arm support, its Be characterised by, the support jig Height Adjustable.
CN201510234664.9A 2015-05-11 2015-05-11 A kind of offshore vessel carries the installation method of the large-tonnage bearing pin on jib-type crane arm support Active CN104942564B (en)

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CN104942564B true CN104942564B (en) 2017-03-15

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CN106429804B (en) * 2016-09-30 2017-12-22 武船重型工程股份有限公司 A kind of high-altitude handling method of heavy pin shaft

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JP4028438B2 (en) * 2003-06-12 2007-12-26 日立建機株式会社 Pin insertion / extraction method and pin insertion / extraction jig used therefor
CN201900428U (en) * 2010-12-20 2011-07-20 徐州海伦哲专用车辆股份有限公司 Auxiliary device for assembly and disassembly of pin shaft
KR20120007942U (en) * 2011-05-12 2012-11-21 (주)에스렌탈산업 Connection pin remover basket for tower crane
CN202991825U (en) * 2012-11-14 2013-06-12 中冶天工集团有限公司 Connecting pin shaft for lifting large constructional element
CN103128534B (en) * 2013-03-21 2015-07-08 青岛扬帆船舶制造有限公司 Ship screw shaft mounting tool
CN103692192B (en) * 2013-12-23 2016-09-14 武汉理工大学 A kind of bidirectional hydraulic pushing tow assembly equipment of large-scale bearing pin

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