CN106695148B - The assembly method and assembly tooling of gear rack lifting system mounting rack - Google Patents
The assembly method and assembly tooling of gear rack lifting system mounting rack Download PDFInfo
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- CN106695148B CN106695148B CN201611159777.8A CN201611159777A CN106695148B CN 106695148 B CN106695148 B CN 106695148B CN 201611159777 A CN201611159777 A CN 201611159777A CN 106695148 B CN106695148 B CN 106695148B
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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
- B23K31/02—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 soldering or welding
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses the assembly methods and assembly tooling of a kind of gear rack lifting system mounting rack, belong to welding technology field.Assembly tooling includes: 1 positioning tool and 8 concentric toolings, positioning tool includes a mounting plate, mounting plate is equipped with 8 location holes, location hole is in two column distributions, and two column location hole be symmetrical arranged, concentric tooling includes a concentric shafts and the first concentric part and the second concentric part for being connected to concentric shafts both ends, first concentric part is cylinder, and first the axis of concentric part be overlapped with the axis of the concentric shafts, the inner wall of first mounting flange of the outer circle and mounting rack of the first concentric part matches, second concentric part is cylindrical step, and the axis of step is overlapped with the axis of concentric shafts, step is matched with the inner wall of the second mounting flange of institute mounting rack.Positioning tool and concentric tooling prevent the first mounting flange and the position of the second mounting flange from changing, and ensure that the position precision of the first mounting flange and the second mounting flange.
Description
Technical field
The present invention relates to welding technology field, in particular to the assembly method of a kind of gear rack lifting system mounting rack and
Assembly tooling.
Background technique
Self-elevating drilling platform is as composed by a upper platform and multiple spud legs that can be gone up and down with respect to upper platform
Offshore platform.These spud legs opposite upper platform under the driving of lifting device moves up and down, when platform well drilling operation, by stake
Leg is supported on seabed, and the lifting of upper platform is realized by lifting device.Wherein, lifting device is fixedly mounted on by mounting rack
On upper platform, important stress and force transferring part of the mounting rack as lifting system of self-lifting well drilling platform.
Mounting rack is large complicated box-structure, panel, mainboard and bottom plate including the setting of successively parallel interval, mounting rack
On along panel length direction be equipped with groove, the opening of groove is located at middle panel, and the bottom surface of groove is made of mainboard, recessed
The two sides of slot are respectively equipped with row's mounting hole, and each mounting hole, which runs through, to be arranged at panel, mainboard and bottom plate, the both ends of mounting hole
Equipped with the first mounting flange and the second mounting flange, the first mounting flange inserts be fixed on mainboard and bottom plate simultaneously, the second peace
Dress flange is fixed on panel.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
Since mounting rack internal structure is complicated, a large amount of vertical rib plates are welded between mainboard and bottom plate, in mainboard and panel
Between be welded with a large amount of bearing ribs, therefore during the welding process, welding deformation amount is very big, the first Method for Installation in mounting hole
Blue and the second mounting flange position precision is difficult to ensure, so as to cause scrapping for mounting rack.
Summary of the invention
Complicated in order to solve mounting rack internal structure, welding deformation amount is big, leads to the first mounting flange and the second Method for Installation
The problem of blue position precision is difficult to ensure, leads to scrap of the product, the embodiment of the invention provides a kind of liftings of rack-and-pinion to be
The assembly method and assembly tooling of system mounting rack.The technical solution is as follows:
The embodiment of the invention provides a kind of assembly method of gear rack lifting system mounting rack, the mounting rack includes
Successively panel, mainboard and the bottom plate of parallel interval setting, is equipped with several vertical rib plates, the face between the bottom plate and the mainboard
It is equipped with several bearing ribs between plate and the mainboard, is equipped with groove along the length direction of the panel on the mounting rack, and
The opening of the groove is located at the panel side, and the groove two sides are respectively equipped with a column mounting hole, and the mounting hole runs through
The panel, mainboard and bottom plate, the both ends of the mounting hole are respectively equipped with the first mounting flange and the second mounting flange, and described
The inserting of one mounting flange is fixed on the bottom plate and the mainboard, and the second mounting flange inserting is fixed on the panel
On, the mounting rack is divided into top assembly, middle parts, base assemblies, the peace along the length direction of the panel
Dress hole is located on the middle parts, and the assembly method includes:
(1) first distinguish top assembly, the base assemblies and the middle parts described in welding equipment:
The method of top assembly described in welding equipment and the base assemblies includes:
Vertical rib plate and bearing rib are respectively welded in the two sides of the mainboard, the top assembly and the base assemblies
Panel and bottom plate wouldn't be installed, and verticality≤2mm of the vertical plate and the mainboard is corrected；
The method of middle parts described in welding equipment includes:
Positioning tool is weldingly fixed in welding platform；
8 the first mounting flanges are fixed in welding platform, and 8 the first mounting flanges are located at positioning tool
8 positioning holes；
The bottom plate is sleeved on first mounting flange, and at the bottom on the basis of first mounting flange
Lining out simultaneously assembles vertical rib plate；
The mainboard is sleeved on first mounting flange, and by the mainboard respectively with the vertical rib plate and described
The welding of first mounting flange；
Concentric tooling is separately mounted in each first mounting flange, and the first concentric part of tooling and the first peace with one heart
The inner wall cooperation of flange is filled, the first concentric part is aligned with the bottom surface of the first mounting flange, on the second concentric part of concentric tooling
Assemble the second mounting flange；
It is crossed on the basis of first mounting flange and the second mounting flange on the main board and assembles bearing rib,
And bearing rib and the second mounting flange are welded；
(2) one end of the middle parts is docked with the base assemblies, by the other end of the middle parts and institute
State top assembly docking；
(3) panel of the mounting rack and the bottom plate of top assembly and base assemblies are welded, the top is then welded
The bottom sealing plate of the top closing plate of component upper end and the base assemblies lower end, finally welds the side sealing plate of the mounting rack.
Further, before the mainboard and vertical rib plate and bearing rib of welding top assembly and base assemblies, first vertical
The fixed channel steel of spot welding is supported between gusset and mainboard and between bearing rib and mainboard.
Further, when welding the bottom plate and the first mounting flange of the middle parts, in the middle part support plate
Length direction and width direction stay predeformation amount.
Further, before the bottom plate for welding the intermediate module, in the surrounding mounting tool of the bottom plate of the middle parts
Horse plate is fixed.
Further, middle parts and top assembly dock and the docking of middle parts and base assemblies is wrapped respectively
It includes:
One end of the mainboard of the middle parts is docked with the mainboard of the top assembly, by the master of the middle parts
The other end of plate is docked with the mainboard of the base assemblies.
Further, it when the mainboard of parts is with top assembly and the mainboard of base assemblies in welding, is respectively kept with pre-
Deflection.
Further, first that the side of the mounting rack is upward when welding side seal board, in the upward side of the mounting rack
Upper welding side seal board, the welding side seal board then by mounting rack turn-over, on the mounting rack other side.
Further, it when welding the side seal board, is welded from the middle part of the mounting rack to both ends.
Further, when welding the panel and bottom plate of the mounting rack, in the center line two sides balanced welding of the mounting rack
It connects.
The embodiment of the invention also provides a kind of assembly toolings of gear rack lifting system mounting rack, are suitable for gear teeth
The mounting rack of jacking system, which is characterized in that the assembly tooling includes: 1 positioning tool and 8 concentric toolings, described
Positioning tool includes a mounting plate, and the mounting plate is equipped with 8 location holes, and the location hole is in two column distributions, and two arrange
The location hole is symmetrical arranged, and the concentric tooling includes a concentric shafts and the first concentric part for being connected to concentric shafts both ends
With the second concentric part, the first concentric part is cylindrical, and the axis of the axis of the first concentric part and the concentric shafts
It is overlapped, the outer circle of the first concentric part is matched with the inner wall of the first mounting flange of the mounting rack, and described second with one heart
Part is cylindrical step, and the axis of the step is overlapped with the axis of the concentric shafts, the step and the mounting rack
The inner wall of the second mounting flange match.
Technical solution provided in an embodiment of the present invention has the benefit that through the middle parts in welding equipment mounting rack
When, positioning tool is welded on fabrication platform by existing, then the first mounting flange is assembled to the mounting hole of positioning tool
It is interior, it ensure that the position precision between the first mounting flange, then concentric tooling be installed in the first mounting flange, and by second
Mounting flange is assembled by concentric tooling, ensure that the concentric and relative position of the first mounting flange and the second mounting flange is closed
System, when welding mounting rack, can also further prevent the first mounting flange and second by positioning tool and concentric tooling
The relative position of mounting flange changes, and ensure that the position precision of the first mounting flange and the second mounting flange.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the present of invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the overall structure diagram of mounting rack provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of positioning tool provided in an embodiment of the present invention；
Fig. 3 is the assembling structure schematic diagram of positioning tool provided in an embodiment of the present invention and the first mounting flange；
Fig. 4 is the side view of positioning tool provided in an embodiment of the present invention and the assembly of the first mounting flange；
Fig. 5 is the structural schematic diagram of concentric tooling provided in an embodiment of the present invention；
Fig. 6 is the assembling structure schematic diagram of concentric tooling provided in an embodiment of the present invention；
Fig. 7 is the assembling structure schematic diagram of the second mounting flange provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of assembly method of gear rack lifting system mounting rack, which is applicable in
In the mounting rack of gear rack lifting system, Fig. 1 is the overall structure diagram of mounting rack provided in an embodiment of the present invention, referring to
Fig. 1, mounting rack include panel 1, mainboard 2 and the bottom plate 3 of successively parallel interval setting, and the middle part of mounting rack is equipped with several installations
Hole, mounting hole run through panel 1, mainboard 2 and bottom plate 3, and the both ends of mounting hole are respectively equipped with the first mounting flange 4 and the second Method for Installation
Orchid 5, the inserting of the first mounting flange 4 are fixed on bottom plate 3 and mainboard 2, and the inserting of the second mounting flange 5 is fixed on panel 1.Due to
Mounting rack is box-structure, and internal gusset quantity is more, causes the welding deformation quantity of mounting rack larger, and the weldering inside mounting rack
It is poor to stitch accessibility.
In the present embodiment, mounting rack is divided into top assembly, middle parts, bottom group along the length direction of panel
Part, mounting hole 6a are located on middle parts, and production method includes:
Fig. 2 is the structural schematic diagram of positioning tool provided in an embodiment of the present invention, and Fig. 3 is provided in an embodiment of the present invention fixed
The assembling structure schematic diagram of position tooling and the first mounting flange, Fig. 4 are positioning tool provided in an embodiment of the present invention and the first peace
The side view of flange assembly is filled, Fig. 5 is the structural schematic diagram of concentric tooling provided in an embodiment of the present invention, and Fig. 6 is of the invention real
The assembling structure schematic diagram of the concentric tooling of example offer is applied, Fig. 7 is the assembly of the second mounting flange provided in an embodiment of the present invention
Structural schematic diagram is illustrated below in conjunction with Fig. 2~Fig. 7.
Step 101: welding equipment top assembly, middle parts, base assemblies respectively.
Wherein, top assembly is similar with the structure of base assemblies, and the welding method of top assembly and base assemblies includes:
Vertical rib plate and bearing rib 8 is respectively welded in the two sides of mainboard 2 respectively, wherein the face of top assembly and base assemblies
Plate 1 and bottom plate 3 are not installed temporarily, can be guaranteed the accessibility when welding of mounting rack internal weld seams in this way, also be needed after welding
Top assembly and base assemblies are corrected, need to guarantee that the verticality of vertical rib plate and bearing rib 8 and mainboard 2 is respectively less than
In 2mm, in addition, in the present embodiment, on top assembly and the bearing rib of base assemblies 8, also being normal to the weldering of bearing rib 8
Be connected to several reinforcing ribs, need to guarantee reinforcing rib in bearing rib 8 verticality again smaller than be equal to 2mm.
It in the present embodiment, can also be between welding mainboard 2 and vertical rib plate and bearing rib 8, in mainboard 2 and vertical rib plate
Several channel steels are respectively set between bearing rib 8 to be fixed, to reduce welding deformation, in welding bearing rib 8 and reinforce
Before muscle, it can also be fixed in reinforcing rib far from one end welding channel steel of vertical rib plate, to guarantee between reinforcing rib and vertical rib plate
Verticality.
The assembling and welding process of middle parts includes:
Positioning tool 6 is weldingly fixed in welding platform,
8 the first mounting flanges 4 are fixed in welding platform, and 8 the first mounting flanges 44 are located at positioning work
It fills in 68 location hole 6a；
Bottom plate 3 is sleeved on the first mounting flange 4, and crosses and fills on bottom plate 3 on the basis of the first mounting flange 4
With vertical rib plate；
Mainboard 2 is sleeved on the first mounting flange 4, and mainboard 2 is welded with vertical rib plate and the first mounting flange 4 respectively
It connects；
Concentric tooling 7 is separately mounted in each first mounting flange 4, and with one heart tooling 7 the first concentric part 7c with
The inner wall of first mounting flange 4 cooperates, and the first concentric part 7c is aligned with the bottom surface of the first mounting flange 4, the of concentric tooling 7
The second mounting flange 5 is assembled on two concentric part 7a；
It crosses on the basis of on the mainboard 2 by the first mounting flange 4 and the second mounting flange 5 and assembles bearing rib 8,
And bearing rib 8 and the second mounting flange 5 are welded.
Specifically, in the present embodiment, two rows of totally 8 mounting holes are equipped on mounting rack altogether, and 8 mounting holes are divided into two
Column, are symmetricly set on the two sides of groove, fix 8 the first Method for Installation according to the installation site of 8 mounting holes in welding platform
8 the first mounting flanges 4, can be fixed in welding platform by the way of spot welding, can make the first Method for Installation in this way by orchid 4
Orchid 4 is always held on the position of assembly.
It should be noted that can be carried out at predeformation to bottom plate 3 before by bottom plate 3 and the welding of the first mounting flange 4
Reason, specifically, the middle side part for making bottom plate 3 be welded with vertical rib plate is high, and surrounding is low, in the present embodiment, can make in bottom plate 3
The intermediate height difference of portion highest point to the side along its length of bottom plate 3 is 3mm, makes the highest point at 3 middle part of bottom plate to bottom plate 3
The difference in height of midpoint of side in the width direction be 6mm, by pre-treatment by bottom plate 3 and the first mounting flange 4
Between welding deformation offset, further ensure the production precision of mounting rack.
Preferably, it is solid that several horse plates can also be set in the surrounding of bottom plate 3 when welding bottom plate 3 and the first mounting flange 4
It is fixed, it can reduce bottom plate 3 in this way in welding, the wave transformation that edge generates.
In addition, before welding mainboard 2 pre-treatment can also be carried out to mainboard 2, become to offset the welding of mainboard 2
Shape.
Step 102: one end of middle parts being docked with base assemblies, by the other end of middle parts and top assembly pair
It connects.
Specifically, the mainboard 2 of base assemblies and top assembly is docked to the both ends of the mainboard 2 of middle parts respectively, is welded
The mainboard 2 of middle parts Yu top assembly and base assemblies is connect, before welding, predeformation amount, in the present embodiment, middle part are set
The distance of the bottom surface of the 2 to the first mounting flange of mainboard 4 of component is 295mm, then the one end of top assembly far from middle parts
The distance of plane where 4 bottom surface of the 2 to the first mounting flange of mainboard is 290mm, and the one end of base assemblies far from middle parts
The distance of plane is 280mm where 4 bottom surface of the 2 to the first mounting flange of mainboard, i.e. top assembly stays 5mm predeformation amount, bottom group
Part stays 15mm predeformation amount, this is because the length of base assemblies is greater than top assembly, so there are more predeformation for needs
Amount, in other embodiments of the invention, the predeformation amount that those skilled in the art are also needed in combination with limited experimentation.It is logical
The welding deformation that pre-treatment is crossed when can offset top assembly, middle parts and base assemblies docking welding equipment, further mentions
The accuracy of manufacture of high mounting rack.
Before welding, top assembly, middle parts and base assemblies can be placed on moulding bed respectively and is docked,
And each component can be made to be located at suitable installation site by adjusting the height of moulding bed.
Step 103: welding the panel 1 and top assembly and the bottom plate of base assemblies 3 of mounting rack, then weld top group
The top closing plate of part upper end and the bottom sealing plate of base assemblies lower end finally weld the side sealing plate of mounting rack.
Finally the panel 1 of welding mounting rack and top assembly and the bottom plate of base assemblies 3 can be convenient in mounting rack
The welding of a large amount of gussets.When welding panel 1 and bottom plate 3, first the panel of mounting rack 1 is welded on bearing rib 8, it then will peace
Shelve the bottom plate 3 that top assembly and base assemblies are welded after turn-over.When welding, using the center line of mounting rack as symmetrical centre, adopt
Weld panel 1 and bottom plate 3 with the mode being symmetrically welded, such welding manner can make the deformation quantity of panel 1 and bottom plate 3 compared with
It is small.
It when welding the sealing plate of mounting rack side, upward by mounting rack side, is placed on moulding bed, and is located at face on moulding bed
Mounting rack is fixed in 1 side of plate and 3 side of bottom plate setting support channel steel, the sealing plate in the side of mounting rack welding side,
The sealing plate that will weld the other side after the sealing plate of side after mounting rack turn-over is welded.It, can be using from mounting rack when welding
Portion is welded to the mode that the two sides of mounting rack are welded, the deformation quantity of side seal board when can symmetrically offset welding in this way.
The embodiment of the invention also provides a kind of assembly toolings of gear rack lifting system mounting rack, are suitable for gear teeth
The mounting rack of jacking system, assembly tooling include: that tooling 7, the positioning tool 6 include 1 positioning tool 6 and 8 with one heart
One mounting plate, it is in two column distributions that the mounting plate, which is equipped with 8 location holes 6a, the location hole 6a, and two arrange the positioning
Hole 6a is symmetrical arranged, and the concentric tooling 7 includes a concentric shafts 7b and the first concentric part for being connected to the both ends concentric shafts 7b
7c and second concentric part 7a, the first concentric part 7c are cylinder, and the axis of the first concentric part 7c with it is described concentric
The axis of axis 7b is overlapped, and the outer circle of the first concentric part 7c is matched with the inner wall of the first mounting flange 4 of the mounting rack,
The second concentric part 7a is cylindrical step, and the axis of the step is overlapped with the axis of the concentric shafts 7b, described
Step is matched with the inner wall of the second mounting flange 5 of the mounting rack.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of assembly method of gear rack lifting system mounting rack, the mounting rack includes the face of successively parallel interval setting
Plate, mainboard and bottom plate are equipped with several vertical rib plates, are equipped between the panel and the mainboard between the bottom plate and the mainboard
Several bearing ribs are equipped with groove along the length direction of the panel on the mounting rack, and the opening of the groove is located at institute
Panel side is stated, the groove two sides are respectively equipped with a column mounting hole, and the mounting hole runs through the panel, mainboard and bottom plate,
The both ends of the mounting hole are respectively equipped with the first mounting flange and the second mounting flange, and the first mounting flange inserting is fixed on
On the bottom plate and the mainboard, the second mounting flange inserting is fixed on the panel, which is characterized in that by the peace
The length direction shelved along the panel is divided into top assembly, middle parts, base assemblies, and the mounting hole is located at described
On middle parts, the assembly method includes:
(1) first distinguish top assembly, the base assemblies and the middle parts described in welding equipment:
The method of top assembly described in welding equipment and the base assemblies includes:
Vertical rib plate and bearing rib, the panel of the top assembly and the base assemblies is respectively welded in the two sides of the mainboard
It wouldn't be installed with bottom plate, correct verticality≤2mm of the vertical rib plate and the mainboard；
The method of middle parts described in welding equipment includes:
Positioning tool is weldingly fixed in welding platform；
8 the first mounting flanges are fixed in welding platform, and 8 the first mounting flanges are located at 8 of positioning tool
Positioning hole；
The bottom plate is sleeved on first mounting flange, and on the basis of first mounting flange on the bottom plate
It crosses and assembles vertical rib plate；
The mainboard is sleeved on first mounting flange, and by the mainboard respectively with the vertical rib plate and described first
Mounting flange welding；
Concentric tooling is separately mounted in each first mounting flange, and the first concentric part and the first Method for Installation of tooling with one heart
Blue inner wall cooperation, the first concentric part are aligned with the bottom surface of the first mounting flange, assemble on the second concentric part of concentric tooling
Second mounting flange；
It is crossed on the basis of first mounting flange and the second mounting flange on the main board and assembles bearing rib, and will
Bearing rib and the second mounting flange weld；
(2) one end of the middle parts is docked with the base assemblies, by the other end of the middle parts and the top
Parts docking；
(3) panel of the mounting rack and the bottom plate of top assembly and base assemblies are welded, the top assembly is then welded
The bottom sealing plate of the top closing plate of upper end and the base assemblies lower end, finally welds the side sealing plate of the mounting rack.
2. assembly method according to claim 1, which is characterized in that welding top assembly and base assemblies mainboard with
Before vertical rib plate and bearing rib, first between vertical rib plate and mainboard and between bearing rib and mainboard the fixed channel steel of spot welding into
Row support.
3. assembly method according to claim 1, which is characterized in that the bottom plate of the welding middle parts and the first installation
When flange, predeformation amount is stayed in the length direction and width direction of the middle part support plate.
4. assembly method according to claim 1, which is characterized in that before the bottom plate of the welding middle parts, described
The surrounding mounting tool horse plate of the bottom plate of middle parts is fixed.
5. assembly method according to claim 1, which is characterized in that middle parts and top assembly dock and middle part
The docking of component and base assemblies respectively include:
One end of the mainboard of the middle parts is docked with the mainboard of the top assembly, by the mainboard of the middle parts
The other end is docked with the mainboard of the base assemblies.
6. assembly method according to claim 5, which is characterized in that in welding the mainboard of parts and top assembly and
When the mainboard of base assemblies, it is respectively kept with predeformation amount.
7. assembly method according to claim 1, which is characterized in that when welding side seal board, first by the one of the mounting rack
On lateral, side seal board is welded on the upward side of the mounting rack, then by mounting rack turn-over, in the mounting rack other side
On welding side seal board.
8. assembly method according to claim 7, which is characterized in that when welding the side seal board, from the mounting rack
It is welded to both ends at middle part.
9. assembly method according to claim 1, which is characterized in that when welding the panel and bottom plate of the mounting rack,
The center line two sides of the mounting rack are symmetrically welded.
10. a kind of assembly tooling of gear rack lifting system mounting rack, suitable for the mounting rack of gear rack lifting system,
It is characterized in that, the assembly tooling includes: 1 positioning tool and 8 concentric toolings, and the positioning tool includes an installation
Plate, the mounting plate are equipped with 8 location holes, and the location hole is in two column distributions, and the two column location holes are symmetrical arranged, institute
Stating concentric tooling includes a concentric shafts and the first concentric part and the second concentric part for being connected to concentric shafts both ends, and described first
Concentric part is cylinder, and the axis of the first concentric part is overlapped with the axis of the concentric shafts, the first concentric part
Outer circle is matched with the inner wall of the first mounting flange of the mounting rack, and the second concentric part is cylindrical step, and institute
The axis for stating step is overlapped with the axis of the concentric shafts, the inner wall phase of the step and the second mounting flange of the mounting rack
Cooperation.
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| 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 |
| CN115464336B (en) * | 2022-08-26 | 2023-09-01 | 武汉船用机械有限责任公司 | Welding method of mounting frame |
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| US5102264A (en) * | 1989-10-24 | 1992-04-07 | Technip Geoproduction | Device for the integrated suspension and manipulation of the legs of a jack-up platform |
| CN101073867A (en) * | 2007-06-20 | 2007-11-21 | 沪东重机股份有限公司 | Welding aid for connecting flange and its welding method |
| CN103692130A (en) * | 2013-12-10 | 2014-04-02 | 天津市中重金属结构有限公司 | Circular tooling |
| CN203924027U (en) * | 2014-01-21 | 2014-11-05 | 武汉船用机械有限责任公司 | For the installing rack of pinion and-rack lifting platform system |
| CN105625288A (en) * | 2015-12-30 | 2016-06-01 | 武汉船用机械有限责任公司 | Lifting device of self-elevating platform |
| CN205520233U (en) * | 2016-03-29 | 2016-08-31 | 苏州市合叶精密机械有限公司 | A welding position device for nozzle stub flange |
| CN105970896A (en) * | 2016-05-10 | 2016-09-28 | 武汉船用机械有限责任公司 | Electric gear and rack lifting mechanism of ocean platform |
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| CN106695148A (en) | 2017-05-24 |
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