CN104668797B - The preparation method of ring beam structural member in a kind of hydraulic bolt formula platform hoist system - Google Patents
The preparation method of ring beam structural member in a kind of hydraulic bolt formula platform hoist system Download PDFInfo
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- CN104668797B CN104668797B CN201510052442.5A CN201510052442A CN104668797B CN 104668797 B CN104668797 B CN 104668797B CN 201510052442 A CN201510052442 A CN 201510052442A CN 104668797 B CN104668797 B CN 104668797B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/28—Beams
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- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The preparation method of ring beam structural member in a kind of hydraulic bolt formula platform hoist system, including welding equipment parts I(32), welding equipment parts II(33), welding equipment parts III, machining, it is assembled into ring beam assembly, the welding of ring beam assembly and welding equipment are ring beam structural member step, and be respectively adopted ring beam component tool and ring beam and check that frock (35) ensures its assembly precision, use plug housing anti-deformation tool (20), oil cylinder key seat anti-deformation tool (21), double-deck intersecting parallels frock (13) and horse plate (14) control ring beam structural member welding deformation in the fabrication process, ensure that in ring beam structural member, plug housing (8) and the concentricity of oil cylinder key seat (9) and flatness and ring beam internal arm size meet requirement.
Description
Technical field
The present invention relates to a kind of ring beam structural member, more specifically to ring in a kind of hydraulic bolt formula platform hoist system
The preparation method of girder construction part, belongs to self-elevating ocean platform jacking system technical field.
Background technology
Self-elevating drilling platform (oil gas compressed platform) is the most commonly used drilling platforms of current domestic and international application, its with
The spud leg that can be freely lifted, reaches seabed under spud leg during operation, stands on sea bed, utilizes spud leg to hold up shell, and makes ship
Sea a certain distance is left bottom shell；During self-elevating drilling platform towage, spud leg is regained, and shell is in floating state.
The jacking system matched with self-elevating drilling platform can drive hull to move up and down along spud leg, at present,
The jacking system matched with self-elevating drilling platform is usually hydraulic bolt formula platform hoist system.Existing hydraulic bolt formula
Platform hoist system generally includes wedge bracket, balanced component, ring beam structural member and lift cylinder, and wherein ring beam structural member is this liter
The important load of fall system and Force transmission parts.Alternately stretching by the latch on ring beam structural member, and coordinate lift cylinder
Stretch and realize each action of self-elevating drilling platform and spud leg.
Plug housing in ring beam structural member and the concentricity of oil cylinder key seat and flatness and ring beam internal arm size are directly closed
Can be tied to self-elevating drilling platform properly functioning, not at parts welding equipment, assembly in existing ring beam method for manufacturing structural member
Welding equipment and overall welding equipment carry out technology controlling and process stage by stage, it is impossible to ensure the concentricity of plug housing and oil cylinder key seat respectively in each stage
With flatness and ring beam structural member internal arm size；And ring beam structural member welding deformation is once formed, then cannot correct, easily
Cause scrapping of ring beam structural member, increase the risk of product, affect the manufacturing cycle of product, lose bigger.
Summary of the invention
The present invention is directed to existing ring beam method for manufacturing structural member and cannot ensure plug housing and oil at parts and assembly stage
The concentricity of cylinder key seat and the defect such as flatness and ring beam structural member internal arm size, it is provided that a kind of hydraulic bolt formula platform
The preparation method of ring beam structural member in jacking system.
For achieving the above object, the technical solution of the present invention is: ring in a kind of hydraulic bolt formula platform hoist system
The preparation method of girder construction part, ring beam structural member therein includes determining ring beam and rotating ring beam, described determines ring beam and rotating ring beam all
Including the guide plate being welded as a whole successively, gusset piece, support plate and ring beam assembly, described ring beam assembly by multiple girders and
Tie-beam is formed by connecting separately, and described tie-beam includes opposing parallel spaced interior plate and outer panel, described
Being provided with the riser connecting two plates between interior plate and outer panel, described girder includes opposing parallel spaced inner panel
And outside plate, described inner panel and outside plate are plugged with a plug housing, the inner panel of the girder of rotating ring beam is the most corresponding with on outside plate
It is provided with two oil cylinder key seats, determines to be correspondingly arranged on four oil cylinder key seats respectively on the inner panel of the girder of ring beam and outside plate, including
Following steps:
Step one, by oil cylinder key seat, plug housing and inner panel assemble, be welded as parts:
A, assembling: first on mounting plate, plug housing and oil cylinder key seat are assembled with inner panel respectively, during assembling first
Inner panel is lain on mounting plate, then plug housing and oil cylinder key seat is individually placed on inner panel appointment position, then by its point
Welded together, make its upper surface adjust to sustained height the high ferros such as ring beam component tool pad the most again, and make ring beam parts work
One endoporus of dressWith four endoporusLower surface to ground platform distance keep deviation within 0.5mm, re-use ring beam
Component tool checks the relative position of plug housing and oil cylinder key seat, adjusts and makes the distance between plug housing and oil cylinder key seat, each oil
Distance between cylinder key seat is qualified, last spot welding plug housing anti-deformation tool；
B, welding: by integral to oil cylinder key seat, plug housing and inner plate welding for parts, then remove plug housing anti-deformation
Frock；
Step 2, oil cylinder key seat and outside plate are assembled, are welded as parts:
A, assembling: first on mounting plate, oil cylinder key seat is assembled with outside plate, first outside plate is lain in during assembling
On mounting plate, then oil cylinder key seat is placed on outside plate appointment position, then that it is spot-welded together, then use ring beam portion
Part frock checks the relative position of oil cylinder key seat, adjusts and makes the distance between each oil cylinder key seat qualified；
B, welding: by integrally welded to oil cylinder key seat and outside plate for parts:
Step 3, by parts, partsWith U-shaped muscle, L-shaped muscle, steel plate, steel plate, reinforcement, steel pipeAssembling, welding
For parts:
A, assembling: first by U-shaped muscle, L-shaped muscle, steel plate on mounting plate, steel plate, reinforcement and steel pipeIt is welded on
PartsMedial surface, then by partsIt is placed on mounting plate, makes partsIt is welded with U-shaped muscle, L-shaped muscle, steel plate, steel plate, reinforcement and steel pipeThe side upward, then with partsCarry out being assembled into parts, then use ring beam component tool
Check the relative position of plug housing and oil cylinder key seat, adjust make the distance between plug housing and oil cylinder key seat, each oil cylinder key seat it
Between distance qualified；
B, welding: by partsAnd partsIt is welded as a whole as parts；
Step 4, machining: partsMachine oil cylinder key seat and the plane of plug housing and endoporus after having welded, and draw
Going out the center line of oil cylinder key seat and plug housing, center line herein includes horizontal center line and vertical center line；
Step 5, by parts, interior plate, outer panel, steel plate, riser and steel plateIt is assembled into ring beam assembly:
A, first on cold-working platform, mark ground line-transect, draw reserved welding allowance for shrinkage 10mm during ground line-transect, by ground line-transect
Preliminary build-up member, interior plate, outer panel, steel plateAnd riser, make parts, interior plate, outer panel, steel plateWith vertical
Board position error≤1mm；
B, accurately height fitted position is positioned by the horizontal center line of plug housing, make to determine in ring beam or rotating ring beam
The horizontal center line of plug housing, at sustained height, re-uses gravity vertical and ensures oil cylinder key seat and the perpendicularity of plug housing, and combine
Horizontal fitted position is accurately positioned by the vertical center line of oil cylinder key seat and plug housing, horizontal fitted position herein i.e. oil
Cylinder key seat and the distance of plug housing internal arm；
C, ring beam is checked the high ferros such as frock pad, make ring beam check frock four holes lower surface to the distance of platform
Keep deviation within 0.5mm, then use ring beam to check the relative position of frock check plug housing, adjust qualified rear spot welding double
Layer intersecting parallels frock and frock horse plate；
D, welding equipment steel plate；
Step 6, the welding of ring beam assembly, order is as follows:
A, first weld the weld seam of riser, then welding steelWeld seam；
B, the butt weld welded between outer panel and outside plate；
C, finally welding interior plate and inner panel between butt weld, i.e. complete the welding of ring beam assembly；
D, removal frock horse plate；
E, welding steelWeld seam, i.e. complete the welding of ring beam assembly；
F, welding is completed after ring beam assembly anneal, remove double-deck intersecting parallels frock after annealing and oil cylinder key seat prevented
Deformation frock；
Step 7, ring beam assembly, guide plate, gusset piece and support plate welding equipment are ring beam structural member: first by gusset piece
With support plate welding equipment on ring beam assembly, then utilize ring beam to check the internal diameter of frock check gusset piece, adjust and make ring beam inspection
Distance between frock cylindrical and gusset piece internal diameter is qualified, refills weldering guide plate, checks that frock check is led further with ring beam
To the internal diameter of plate, adjust and make to meet the error requirements to guide plate internal diameter, i.e. complete the making of ring beam structural member.
When ring beam assembly is eight-sided formation, centered by the longitudinal center line of plug housing, during welding, carry out balanced welding,
Longitudinal center line herein includes X-axis and Y-axis:
A, regionAnd regionIt is symmetrically welded centered by X-axis；
B, regionAnd regionIt is symmetrically welded centered by Y-axis；
C, regionAnd regionIt is symmetrically welded centered by Y-axis；
D, regionAnd regionIt is symmetrically welded centered by X-axis.
Compared with prior art, the invention has the beneficial effects as follows:
1, in the present invention, design feature according to ring beam structural member formulates assemble sequence: first welding equipment parts, refill weldering parts, parts, then welding equipment ring beam assembly, last welding equipment forms structural member, and is respectively adopted ring beam component tool and ring beam inspection
Frock ensures its assembly precision so that carries out technology controlling and process stage by stage in parts, general assembly, thus protects at parts and assembly stage
Plug housing and the concentricity of oil cylinder key seat and flatness are demonstrate,proved.
2, the present invention uses ring beam check that frock controls and check the position dimension of plug housing and guide plate, thus ensure
Ring beam structural member and the connection dimension of spud leg.
3, the present invention is assembled in ring beam assembly step, cold-working platform is drawn reserved welding allowance for shrinkage during ground line-transect
10mm, thus reserved welding contracted quantity during for welding；First weld the weld seam of riser when the welding of ring beam assembly, then weld
Connect steel plateWeld seam, then weld the butt weld between outer panel and outside plate, finally right between welding interior plate and inner panel
Welding seam, thus specify welding sequence；And use double-deck intersecting parallels frock and frock horse plate to control welding deformation, thus at ring
Girder construction part manufacture process controls its welding deformation well so that the dimensional tolerance of ring beam structural member is all in design requirement
In the range of, it is ensured that in ring beam structural member, plug housing and the concentricity of oil cylinder key seat and flatness and ring beam internal arm size meet
Requirement.
Accompanying drawing explanation
Fig. 1 is the structural representation of ring beam structural member in the present invention.
Fig. 2 is parts in the present inventionStructural representation.
Fig. 3 is the structural representation of plug housing anti-deformation tool in the present invention.
Fig. 4 is the structural representation of ring beam component tool in the present invention.
Fig. 5 is parts in the present inventionStructural representation.
Fig. 6 is parts in the present inventionCut-away view.
Fig. 7 is parts in the present inventionStructural representation
Fig. 8 is light plate of the present inventionConnection diagram.
Fig. 9 is the structural representation of ring beam assembly in the present invention.
Figure 10 is the structural representation that in the present invention, ring beam checks frock.
Figure 11 is ring beam components welding precedence diagram in the present invention.
In figure, girder 1, tie-beam 2, interior plate 3, outer panel 4, riser 5, inner panel 6, outside plate 7, plug housing 8, oil cylinder key seat
9, U-shaped muscle 10, L-shaped muscle 11, reinforcement 12, double-deck intersecting parallels frock 13, horse plate 14, guide plate 15, gusset piece 16, support plate
17, endoporus18, endoporus19, plug housing anti-deformation tool 20, oil cylinder key seat anti-deformation tool 21, region22, region23,
Region24, region25, region26, region27, region28, region29, steel plate 30, steel pipe31, portion
Part32, parts33, steel plate34, ring beam checks frock 35, steel plate36, steel plate37。
Detailed description of the invention
Illustrate that the present invention is described in further detail with detailed description of the invention below in conjunction with accompanying drawing.
Seeing Fig. 1 to Fig. 2, a kind of hydraulic bolt formula platform hoist system, including wedge bracket, balanced component, ring beam structure
Part and lift cylinder, wherein ring beam structural member is important load and the Force transmission parts of this jacking system.Described ring beam structural member
Including determining ring beam and rotating ring beam, described rotating ring beam is corresponding with determining ring beam to be arranged；Described determine ring beam and rotating ring beam all includes depending on
Secondary guide plate 15, gusset piece 16, support plate 17 and the ring beam assembly being welded as a whole, described ring beam assembly is by multiple girders 1
It is formed by connecting separately with tie-beam 2.Described tie-beam 2 includes opposing parallel spaced interior plate 3 and outer panel 4,
The riser 5 connecting two plates it is provided with between described interior plate 3 and outer panel 4；The upper end of interior plate 3 and outer panel 4 upper
End passes through steel plate36 are connected, and steel plate is passed through in the lower end of interior plate 3 and the lower end of outer panel 436 are connected described master
Beam 1 includes opposing parallel spaced inner panel 6 and outside plate 7, is plugged with a plug housing 8 in described inner panel 6 and outside plate 7,
I.e. inner panel 6 and outside plate 7 shares 8, plug housing 8 of a plug housing and is inserted in inner panel 6 and outside plate 7 simultaneously, described plug housing 8
Latch is inside installed；It is correspondingly arranged on two oil cylinder key seats 9 on the inner panel 6 of the girder 1 of rotating ring beam and outside plate 7 respectively, determines ring beam
The inner panel 6 of girder 1 and outside plate 7 on be correspondingly arranged on four oil cylinder key seats 9 respectively.The medial surface of inner panel 6 is welded with U-shaped muscle
10, L-shaped muscle 11, steel plate37, steel plate30, reinforcement 12 and steel pipe31.By weldering between adjacent girder 1 and tie-beam 2
Connecing and be connected, concrete, the interior plate 3 of tie-beam 2 welds mutually with the inner panel 6 of girder 1, the outer panel 4 of tie-beam 2 and girder 1
Outside plate 7 phase welding.Oil cylinder key seat 9 on same girder 1 is arranged symmetrically in the both sides of the plug housing 8 on this girder 1, plug housing
Distance between 8 and oil cylinder key seat 9 meets non-interference principle, and the center line of the center line of plug housing 8 and oil cylinder key seat 9
Parallel.The generally size of girder 1 is bigger than the size of tie-beam 2, such as can be by the ratio tie-beam 2 of the width design of girder 1
Width big, strengthen girder 1 and be sized to beneficially rotating ring beam and determine the effect of ring beam preferably holding capacity.Ring beam assembly is
Polygon, this polygon can be regular polygon, it is also possible to for non-regular polygon；Can be equilateral triangle, square or just
Octagon, usually octagon.
Described wedge bracket is fixed on hull, determines ring beam and is fixed on wedge bracket, and spud leg is through determining ring beam and rotating ring beam
Vertically stretching into marine, latch can extend in the pin hole on spud leg；One end of lift cylinder is installed by lift cylinder bearing pin
In the oil cylinder key seat 9 determined on ring beam, the other end of lift cylinder is arranged on the oil cylinder on rotating ring beam by lift cylinder bearing pin
In key seat 8.During work, by determining the most flexible of latch on ring beam and rotating ring beam and to coordinate lift cylinder flexible to realize whole
The raising and lowering of individual jacking system, it is achieved thereby that self-elevating drilling platform and each action of spud leg.
Ring beam structural member is opened in the plug housing 8 in ring beam assembly and the concentricity of oil cylinder key seat 9 and flatness and ring beam
Can shelves size is directly connected to self-elevating drilling platform properly functioning.When ring beam assembly is octagon, it is desirable to ring beam group
Plug housing 8 and the concentricity of oil cylinder key seat 9 that part is diagonally adjacent are less than 3mm simultaneously, oil cylinder key seat 9 flatness is less than 2mm,
The difference of ring beam diagonal is less than 5mm；And it is easily generated torsional deformation in welding process, for ensureing its intensity, it is ensured that ring beam is tied
The assembly precision of component, employing welding tooling are the keys that ring beam structural member makes, and therefore the present invention provides a kind of hydraulic bolt
The preparation method of ring beam structural member in formula platform hoist system, comprises the following steps:
Step one, oil cylinder key seat 9, plug housing 8 and inner panel 6 are assembled, are welded as parts32, referring specifically to Fig. 2 to Fig. 4,
Including:
A, assembling: first on mounting plate, plug housing 8 and oil cylinder key seat 9 are assembled, during assembling with inner panel 6 respectively
First inner panel 6 is lain on mounting plate, then plug housing 8 and oil cylinder key seat 9 are individually placed to inner panel 6 specify on position, then
It is spot-welded together；Make its upper surface adjust to sustained height the high ferros such as ring beam component tool pad the most again, and make ring beam
One endoporus of component tool18 and four endoporusThe lower surface of 19 keeps deviation within 0.5mm to the distance of ground platform；
Re-use ring beam component tool and check the relative position of plug housing 8 and oil cylinder key seat 9, adjust make plug housing 8 and oil cylinder key seat 9 it
Between distance, distance between each oil cylinder key seat 9 qualified, last spot welding plug housing anti-deformation tool 20.
Herein etc. high ferro be a kind of iron block, for pad under part, its upper surface of part can be adjusted to
One height.Ring beam component tool herein is the instrument of localization examination when ring beam parts welding equipment.Herein when using ring beam portion
When part frock checks the relative position of plug housing 8 and oil cylinder key seat 9, use steel pipeFrom endoporus18 penetrate plug housing 8 endoporus
In, use steel pipeFrom four endoporus19 penetrate in oil cylinder key seat 9 endoporus, make steel pipeAnd between plug housing 8 endoporus
Gap is monolateral for 1mm, steel pipeAnd the gap between oil cylinder key seat 9 endoporus is monolateral for 1mm；Such as steel pipeAnd steel pipeCan be simultaneously
Normally penetrate, then plug housing 8 is qualified with the relative position of oil cylinder key seat 9.
B, welding: by integrally welded to oil cylinder key seat 9, plug housing 8 and inner panel 6 for parts32, then remove plug housing and prevent
Deformation frock 20.
Step 2, oil cylinder key seat 9 and outside plate 7 are assembled, are welded as parts33, referring specifically to Fig. 5:
A, assembling: first assembled with outside plate 7 by oil cylinder key seat 9 on mounting plate, first keep flat outside plate 7 during assembling
On mounting plate, then oil cylinder key seat 9 is placed on outside plate 7 specifies on position, then that it is spot-welded together；The most again by ring
The high ferros such as beam component tool pad make its upper surface adjust to sustained height, and make an endoporus of ring beam component tool18 and four
Individual endoporusThe lower surface of 19 keeps deviation within 0.5mm to the distance of ground platform；Then ring beam component tool is used to check
The relative position of oil cylinder key seat 9, adjusts and makes the distance between each oil cylinder key seat 9 qualified.
Herein when the relative position using ring beam component tool to check oil cylinder key seat 9, use steel pipeFrom four endoporus19 penetrate in oil cylinder key seat 9 endoporus, make steel pipeAnd the gap between oil cylinder key seat 9 endoporus is monolateral for 1mm；Such as steel pipeEnergy
Normally penetrate the while of enough, then the relative position of oil cylinder key seat 9 is qualified.
B, welding: by integrally welded to oil cylinder key seat 9 and outside plate 7 for parts33。
Step 3, by parts32, parts33 and U-shaped muscle 10, L-shaped muscle 11, steel plate37, steel plate30, reinforcement 12,
Steel pipe31 assembling, be welded as parts, referring specifically to Fig. 6 to Fig. 7:
A, assembling: first by U-shaped muscle 10, L-shaped muscle 11, steel plate on mounting plate37, steel plate30, reinforcement 12 and
Steel pipe31 are welded on partsThe medial surface of 32, then by parts32 are placed on mounting plate, make parts32 are welded with U-shaped
Muscle 10, L-shaped muscle 11, steel plate37, steel plate30, reinforcement 12 and steel pipeThe side of 31 is upward；Again with parts33 fill
Join for parts；Then use ring beam component tool to check the relative position of plug housing 8 and oil cylinder key seat 9, adjust and make plug housing 8
With distance between distance between oil cylinder key seat 9, each oil cylinder key seat 9 is qualified, rearmost point solder paste cylinder key seat anti-deformation tool 21.
Oil cylinder key seat anti-deformation tool 21 is steel pipe, and its point is welded in partsOil cylinder key seat 9 on.
Herein when use ring beam component tool inspection plug housing 8 is with the relative position of oil cylinder key seat 9, use steel pipeFrom
Endoporus18 penetrate in plug housing 8 endoporus, use steel pipeFrom four endoporus19 penetrate in oil cylinder key seat 9 endoporus, make steel pipe
And the gap between plug housing 8 endoporus is monolateral for 1mm, steel pipeAnd the gap between oil cylinder key seat 9 endoporus is monolateral for 1mm；As
Steel pipeAnd steel pipeCan normally penetrate, then plug housing 8 is qualified with the relative position of oil cylinder key seat 9 simultaneously.
B, welding: by parts32 and parts33 is integrally welded for parts。
Step 4, machining: partsOil cylinder key seat 9 and the plane of plug housing 8 and endoporus is machined after having welded, and
Marking oil cylinder key seat 9 and the center line of plug housing 8, center line herein includes horizontal center line and vertical center line, and it is circle
The horizontal center line of cylindricality bottom surface and vertical center line.Machining can make partsOil cylinder key seat 9 and the flatness of plug housing 8
≤ 0.1mm, thus improve the dimensional accuracy before overall assembling；Mark oil cylinder key seat 9 and the center line of plug housing 8, then can unify
Benchmark during overall assembling.
Step 5, by parts, interior plate 3, outer panel 4, steel plate34, riser 5 and steel plate36 are assembled into ring beam group
Part: according to the experience in trial-manufacturing process, due to the weld seam between ring beam assembly interior plate 3 and inner panel 6, outer panel 4 and outside plate 7 it
Between weld seam bevel for welding big and weld seam is long, in welding process, welding contraction distortion is relatively big, and reserved welding contracted quantity is inclined
Little, individual layer rice font frock rigidity of support deficiency causes welding deformation, thus causes that ring beam internal arm is less than theoretical size, ring beam
Assembly upper and lower internal arm size is inconsistent, on the left of ring beam assembly and right side internal arm size is inconsistent etc., ring herein
Beam internal arm refers to plug housing 8 and oil cylinder key seat 9 inner surface distance size；Therefore double-deck intersecting parallels is changed into when product manufacturing
Frock 13, and according to manufacturing experimently data point reuse welding allowance for shrinkage, ring beam internal arm during trial-production is reserved 4mm and welds allowance for shrinkage
Being adjusted to ring beam internal arm and reserve 10mm welding allowance for shrinkage, referring specifically to Fig. 8 to Figure 10, concrete assemble sequence is as follows:
A, first on cold-working platform, mark ground line-transect, draw reserved welding allowance for shrinkage 10mm during ground line-transect, by ground line-transect
Preliminary build-up member, interior plate 3, outer panel 4, steel plate34 and riser 5, make parts, interior plate 3, outer panel 4, steel plate34 and riser 5 site errors≤1mm.
B, accurately height fitted position is positioned by the horizontal center line of plug housing 8, make to determine ring beam or rotating ring beam
The horizontal center line of middle plug housing 8 generally adjusts in sustained height, practical set and makes height error≤1mm；Re-use gravity
Line ensures oil cylinder key seat 9 and the perpendicularity of plug housing 8, and combines the vertical center line of oil cylinder key seat 9 and plug housing 8 accurately to water
Flat fitted position positions, horizontal fitted position herein i.e. oil cylinder key seat 9 and the distance of plug housing 8 internal arm, actual dress
Its site error≤1mm is generally made in joining.
C, ring beam is checked the high ferros such as frock 35 pad, make ring beam check frock 35 four holes lower surface to platform
Distance keeps deviation within 0.5mm, then uses ring beam to check that frock 35 checks the relative position of plug housing 8, and it is qualified to adjust
Rear spot welding bilayer intersecting parallels frock 13 and horse plate 14.Horse plate 14 is the frock for reducing welding deformation, and it is welded on ring beam group
On part；Ring beam checks instrument when frock 35 is to check when ring beam assembly welding equipment and ring beam structural member welding equipment.
When being used herein as the relative position that ring beam inspection frock 35 checks plug housing 8, use steel pipeWork is checked from ring beam
Fill 35 endoporus to penetrate in plug housing 8 endoporus, make steel pipeAnd gap between plug housing 8 endoporus is monolateral for 1mm, such as steel pipe
Can normally penetrate, then plug housing 8 concentricity is qualified.
D, welding equipment steel plate36。
Step 6, the welding of ring beam assembly, order is as follows:
The weld seam of A, first welding riser 5, then welding steelThe weld seam of 34；Be conducive to strengthening the entirety of ring beam assembly
Rigidity, thus reduce between welding interior plate 3 and inner panel 6 weld seam, ring beam group during weld seam between outer panel 4 and outside plate 7
The welding deformation that part produces.
B, the butt weld welded between outer panel 4 and outside plate 7.
C, finally welding interior plate 3 and inner panel 6 between butt weld, i.e. complete the welding of ring beam assembly.
D, removal frock horse plate 14.
E, welding steelThe weld seam of 36, i.e. completes the welding of ring beam assembly.
F, welding is completed after ring beam assembly anneal, remove double-deck intersecting parallels frock 13 and oil cylinder key seat after annealing
Anti-deformation tool 21.
Step 7, it is ring beam structural member by ring beam assembly, guide plate 15, gusset piece 16 and support plate 17 welding equipment: first will
Gusset piece 16 and support plate 17 welding equipment are on ring beam assembly；Then frock 35 checks the internal diameter of gusset piece 16 to utilize ring beam to check,
Adjust and make the distance between ring beam inspection frock 35 cylindrical and gusset piece 16 internal diameter qualified；Refill weldering guide plate 15, further profit
Check that frock 35 checks the internal diameter of guide plate 15 with ring beam, adjust and make to meet the error requirements to guide plate 15 internal diameter；Finally treat
Remove double-deck intersecting parallels frock 13 after the annealing of ring beam structural member, i.e. complete the making of ring beam structural member.
When checking, here with ring beam, the internal diameter that frock 35 checks gusset piece 16, check frock 35 by tape measure ring beam
Distance between cylindrical and gusset piece 16 internal diameter, in the present embodiment, ring beam checks between frock 35 cylindrical and gusset piece 16 internal diameter
Distance should be 126mm(0～+3mm)；If defective, by flame gun, unnecessary place is cut off, adjust and make ring beam check work
Fill the distance between 35 cylindricals and gusset piece 16 internal diameter qualified.
Check that frock 35 checks the internal diameter of guide plate 15, adjustment makes to meet the mistake to guide plate 15 internal diameter here with ring beam
When difference requires, check the distance inside frock 35 cylindrical and guide plate 15 by tape measure ring beam；Guide plate in the present embodiment
The error requirements of 15 internal diameters is ± 1mm；Defective, need to adjust guide plate 15 and be allowed to qualified.
When ring beam assembly is symmetrical structure, symmetry during welding, can be carried out centered by the longitudinal center line of plug housing 8
Weldering；Use balanced welding can offset welding stress, reduce welding deformation.Concrete, see Figure 11, when ring beam assembly is octagon
During structure, carrying out balanced welding during welding centered by the longitudinal center line of plug housing 8, longitudinal center line herein includes X-axis and Y
Axle, generation torsional deformation during to prevent from welding:
A, region22 and region25 are symmetrically welded centered by X-axis；
B, region23 and region28 are symmetrically welded centered by Y-axis；
C, region24 and region27 are symmetrically welded centered by Y-axis；
D, region26 and region29 are symmetrically welded centered by X-axis.
The present invention formulates a set of strict weld industry measure, has used plug housing anti-deformation tool 20, oil cylinder pin
Seat anti-deformation tool 21, double-deck intersecting parallels frock 13 and horse plate 14, and reserved welding allowance for shrinkage so that in ring beam structural member system
Its welding deformation is well controlled so that the dimensional tolerance of ring beam structural member all, in design claimed range, is protected during making
Demonstrate,prove plug housing and the concentricity of oil cylinder key seat and flatness and ring beam internal arm size in ring beam structural member and meet requirement.
Above content is to combine concrete preferred embodiment further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, it is also possible to make some simple deduction or replace, said structure all should be considered as belonging to
Protection scope of the present invention.
Claims (2)
1. a preparation method for ring beam structural member in hydraulic bolt formula platform hoist system, ring beam structural member therein includes fixed
Ring beam and rotating ring beam, described determine ring beam and guide plate (15) that rotating ring beam all includes being welded as a whole successively, gusset piece (16),
Support plate (17) and ring beam assembly, described ring beam assembly is formed by connecting separately by multiple girders (1) and tie-beam (2), institute
The tie-beam (2) stated includes opposing parallel spaced interior plate (3) and outer panel (4), described interior plate (3) and outside
Being provided with the riser (5) connecting two plates between plate (4), described girder (1) includes opposing parallel spaced inner panel (6)
With outside plate (7), described inner panel (6) and outside plate (7) are plugged with a plug housing (8), the inner panel of the girder (1) of rotating ring beam
(6) and on outside plate (7), be correspondingly arranged on two oil cylinder key seats (9) respectively, inner panel (6) and the outside plate (7) of the girder (1) of ring beam are determined
Upper it is correspondingly arranged on four oil cylinder key seats (9) respectively, it is characterised in that comprise the following steps:
Step one, oil cylinder key seat (9), plug housing (8) and inner panel (6) are assembled, are welded as parts(32):
A, assembling: first on mounting plate, plug housing (8) and oil cylinder key seat (9) are assembled with inner panel (6) respectively, assembling
Time first inner panel (6) is lain on mounting plate, then plug housing (8) and oil cylinder key seat (9) are individually placed to inner panel (6) specific bit
Put, then that it is spot-welded together, make its upper surface adjust to sustained height the high ferros such as ring beam component tool pad the most again,
And make an endoporus of ring beam component tool(18) and four endoporus(19) lower surface keeps deviation to the distance of ground platform
Within 0.5mm, re-use ring beam component tool and check the relative position of plug housing (8) and oil cylinder key seat (9), adjust and make latch
Distance between seat (8) and oil cylinder key seat (9), the distance between each oil cylinder key seat (9) are qualified, last spot welding plug housing anti-deformation
Frock (20)；
B, welding: by integrally welded for parts to oil cylinder key seat (9), plug housing (8) and inner panel (6)(32), latch is then removed
Seat anti-deformation tool (20)；
Step 2, oil cylinder key seat (9) and outside plate (7) are assembled, are welded as parts(33):
A, assembling: first assembled with outside plate (7) by oil cylinder key seat (9) on mounting plate, first put down outside plate (7) during assembling
It is placed on mounting plate, then oil cylinder key seat (9) is placed on outside plate (7) appointment position, then that it is spot-welded together, then
Use ring beam component tool to check the relative position of oil cylinder key seat (9), adjust and make the distance between each oil cylinder key seat (9) qualified；
B, welding: by integrally welded for parts to oil cylinder key seat (9) and outside plate (7)(33):
Step 3, by parts(32), partsAnd U-shaped muscle (10), L-shaped muscle (11), steel plate (33)(37), steel plate(30), add
Strong muscle (12), steel pipe(31) assemble, be welded as parts:
A, assembling: first by U-shaped muscle (10), L-shaped muscle (11), steel plate on mounting plate(37), steel plate(30), reinforcement
And steel pipe (12)(31) it is welded on parts(32) medial surface, then by parts(32) it is placed on mounting plate, makes parts
(32) U-shaped muscle (10), L-shaped muscle (11), steel plate it are welded with(37), steel plate(30), reinforcement (12) and steel pipe(31) that
Face up, then with parts(33) carry out being assembled into parts, then use ring beam component tool to check plug housing (8) and oil cylinder
The relative position of key seat (9), adjustment makes between the distance between plug housing (8) and oil cylinder key seat (9), each oil cylinder key seat (9)
Apart from qualified；
B, welding: by partsAnd parts (32)(33) it is welded as a whole as parts；
Step 4, machining: partsOil cylinder key seat (9) and the plane of plug housing (8) and endoporus is machined after having welded, and
Marking oil cylinder key seat (9) and the center line of plug housing (8), center line herein includes horizontal center line and vertical center line；
Step 5, by parts, interior plate (3), outer panel (4), steel plate(34), riser (5) and steel plate(36) it is assembled into ring
Beam assembly:
A, first on cold-working platform, mark ground line-transect, draw reserved welding allowance for shrinkage 10mm during ground line-transect, preliminary by ground line-transect
Build-up member, interior plate (3), outer panel (4), steel plate(34) and riser (5), parts are made, interior plate (3), outer panel
(4), steel plateAnd riser (5) site error≤1mm (34)；
Height fitted position is accurately positioned by B, horizontal center line by plug housing (8), makes to determine in ring beam or rotating ring beam
The horizontal center line of plug housing (8) at sustained height, re-uses gravity vertical and ensures the vertical of oil cylinder key seat (9) and plug housing (8)
Spend, and horizontal fitted position is accurately positioned, herein by the vertical center line combining oil cylinder key seat (9) and plug housing (8)
Horizontal fitted position i.e. oil cylinder key seat (9) and the distance of plug housing (8) internal arm；
C, ring beam is checked the high ferros such as frock (35) pad, make ring beam check frock (35) four holes lower surface to platform
Distance keeps deviation within 0.5mm, then uses ring beam to check the relative position of frock (35) check plug housing (8), adjusts
Qualified rear spot welding bilayer intersecting parallels frock (13) and frock horse plate (14)；
D, welding equipment steel plate(36)；
Step 6, the welding of ring beam assembly, order is as follows:
A, first weld the weld seam of riser (5), then welding steel(34) weld seam；
B, the butt weld welded between outer panel (4) and outside plate (7)；
C, finally weld the butt weld between interior plate (3) and inner panel (6), i.e. complete the welding of ring beam assembly；
D, removal frock horse plate (14)；
E, welding steel(36) weld seam, i.e. completes the welding of ring beam assembly；
F, welding is completed after ring beam assembly anneal, remove double-deck intersecting parallels frock (13) after annealing and oil cylinder key seat be anti-
Deformation frock (21)；
Step 7, ring beam assembly, guide plate (15), gusset piece (16) and support plate (17) welding equipment are ring beam structural member: first
By gusset piece (16) and support plate (17) welding equipment on ring beam assembly, ring beam is then utilized to check frock (35) check gusset piece
(16) internal diameter, adjusts and makes the distance between ring beam inspection frock (35) cylindrical and gusset piece (16) internal diameter qualified, then welding equipment is led
To plate (15), check the internal diameter of frock (35) check guide plate (15) further with ring beam, adjust and make to meet guide plate
(15) error requirements of internal diameter, i.e. completes the making of ring beam structural member.
The preparation method of ring beam structural member in a kind of hydraulic bolt formula platform hoist system the most according to claim 1, its
It is characterised by, when ring beam assembly is eight-sided formation, centered by the longitudinal center line of plug housing (8), during welding, carries out symmetry
Weldering, longitudinal center line herein includes X-axis and Y-axis:
A, regionAnd region (22)(25) it is symmetrically welded centered by X-axis；
B, regionAnd region (23)(28) it is symmetrically welded centered by Y-axis；
C, regionAnd region (24)(27) it is symmetrically welded centered by Y-axis；
D, regionAnd region (26)(29) it is symmetrically welded centered by X-axis.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106592558B (en) * | 2016-11-04 | 2018-08-10 | 武汉船用机械有限责任公司 | A kind of ocean platform hydraulic bolt jacking system |
| CN106513910B (en) * | 2016-11-28 | 2019-05-14 | 北京动力机械研究所 | A kind of injection loop soldered into position device of turbojet engine |
| CN107695551B (en) * | 2017-09-30 | 2020-03-17 | 武汉船用机械有限责任公司 | Assembly method of ring beam |
| CN109128557B (en) * | 2018-10-15 | 2020-07-21 | 武汉船用机械有限责任公司 | Manufacturing method of launching device water tank structural member |
| CN109483078B (en) * | 2018-12-19 | 2021-03-19 | 南通振华重型装备制造有限公司 | Construction method of bolt type lifting ring beam |
| CN110253045A (en) * | 2019-06-27 | 2019-09-20 | 中船黄埔文冲船舶有限公司 | A kind of truss-like hydraulic lift wedge bracket method for boring hole |
| CN110936041B (en) * | 2019-10-15 | 2021-11-02 | 武汉船用机械有限责任公司 | Method for manufacturing double-cylinder ring beam |
| CN110640380B (en) * | 2019-10-31 | 2023-06-02 | 中国铁建重工集团股份有限公司 | Integral ring assembling tool and method for segmented steel pipe ring |
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