CN107352450A - FPSO cranes stack shell and its construction installation method - Google Patents
FPSO cranes stack shell and its construction installation method Download PDFInfo
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- CN107352450A CN107352450A CN201710707025.9A CN201710707025A CN107352450A CN 107352450 A CN107352450 A CN 107352450A CN 201710707025 A CN201710707025 A CN 201710707025A CN 107352450 A CN107352450 A CN 107352450A
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- stack shell
- fpso
- cylinder
- lower stack
- inboard portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/52—Floating cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention relates to FPSO cranes stack shell and its build installation method.FPSO cranes stack shell includes upper stack shell and lower stack shell：The upper stack shell is connected in sequence by part A and part B, the lower stack shell includes inboard portion and outboard portion, the upper stack shell is connected with the outboard portion of the lower stack shell, and the lower stack shell inboard portion and outboard portion are individually fixed in the FPSO interior outside of side plate and FPSO main deck upper and lower sides.The method of construction of FPSO crane stack shells includes lower stack shell inboard portion, the manufacture of lower stack shell outboard portion and upper stack shell part B and splicing welding and the installation of FPSO crane stack shells：Include the repacking of main deck and side plate to FPSO；The installing of lower stack shell inboard portion, the lifting of lower stack shell outboard portion and installation and the lifting of upper stack shell and location and installation.Instant invention overcomes the shortcomings that the presence manufacture difficulty of the FPSO crane stack shell huge to profile, also big quantity space is saved for FPSO hulls while FPSO structural strengths are ensured.
Description
Technical field
The present invention relates to crane stack shell and its method of construction, more particularly to FPSO cranes stack shell and its builds installation
Method.
Background technology
Crane is also known as loop wheel machine on ship, ship's crane, is a kind of large-scale deck machine of ship loading and unloading goods on ship
Tool equipment, it has, and elevating capacity is big, and easy to operate, impact resistance, mobility is good, securely and reliably, loads and unloads goods efficiency high and right
The features such as adaptability of goods is higher, mainly by arm and arm bracket, driver's cabin tower body, crane stack shell, crane master
Reinforcement, crane operation inspection platform, crane inside and outside passage and electromechanical equipment composition under deck.Crane is that FPSO is
Realize the structure of operation function and particular design, FPSO design requirements do not lie up maintenance for 25 years, to structure yields, fatigue strength etc.
It is it is required that very high.
Large-scale VLCC oil tankers are adapted as in the work project of FPSO seas, astarboard topside watertight horizontal stroke is needed according to FPSO design
2 cranes are set on bulkhead respectively, but crane stack shell external diameter is Φ 3700, the stack shell height about 26m more than main deck
(not including driver's cabin), the following stack shell height 6.8m of main deck, crane stack shell weigh about 70 tons.Due to FPSO cranes in itself
Highly, external diameter and weight make it that the processing of FPSO crane stack shells is built and lifting mount scheme is whole crane engineering
The difficult point and key factor of construction, will not only meet Structural Design Requirement, also meet structural strength and the marine large-scale wind of resistance
The requirement of power, further, since FPSO external diameters have 3.7m to make setting of the whole crane on FPSO to take substantial amounts of hull sky
Between.
The content of the invention
Based on this, it is an object of the present invention to provide a kind of FPSO cranes stack shell and its installation method is built, not only
The shortcomings that overcoming the presence manufacture difficulty of the prior art FPSO crane stack shells huge to profile, ensureing FPSO structural strengths
While also save big quantity space for FPSO hulls.
The present invention is achieved by the following technical solutions：
FPSO crane stack shells, it is characterised in that including the upper stack shell being sequentially connected and lower stack shell：The upper stack shell is by A
Part and part B are connected in sequence, and the part A is vertically connected with and formed by the first cylinder and the first truncated cone-shaped cylinder, institute
It is cylindrical to state part B, is the second cylinder；The lower stack shell includes inboard portion and outboard portion, the inboard portion bag
The first semicylindrical body being vertically connected with successively, the first half truncated cone-shaped cylinder and the second semicylindrical bodies are included, the outboard portion includes
The 3rd cylinder, the 3rd semicylindrical body and the first half-cone cylinder being vertically connected with successively, the upper stack shell and the lower stack shell
Outboard portion connection, it is fixed on the inside of the side plate of the lower stack shell inboard portion and FPSO, and be fixed on FPSO main first
It is solid on the outside of the 3rd semicylindrical body and the first half-cone cylinder and FPSO side plate of the lower stack shell outboard portion below plate
Fixed, the 3rd cylinder is fixed on above FPSO main deck.
The FPSO crane stack shells of the present invention, by designing the special construction of crane stack shell so that manufacture is simpler
And its structural strength is can guarantee that, because its stack shell half is to stretching on the outside of ship side, hull space can be greatlyd save, improves hull profit
With rate.
Further, the first cylinder external diameter of the upper stack shell part A is less than the external diameter of the upper stack shell part B, just
In load-bearing and it is easy to the installation of driver's cabin.The bottom external diameter of first truncated cone-shaped cylinder is identical with upper stack shell part B external diameter, under described
3rd cylinder external diameter of stack shell outboard portion is identical with the external diameter of the upper stack shell part B, and the external diameter of this three parts is identical, just
It is integrated in welding splicing.In some specific extra large work project, the length of upper stack shell is 24027mm, and the length of wherein part A is
5259mm, the length of part B is 18768mm, and the length of lower stack shell is 8875mm, and the external diameter of the first cylinder is 3045mm, institute
The external diameter for stating the second cylinder is 3700mm.
Further, the lower stack shell inboard portion and lower stack shell outboard portion form circle of the bottom with two slopes
Cylinder, described two slopes are located at the both sides of FPSO side plates respectively.Such design can improve hull utilization rate
Ensure structural strength fixed between crane stack shell and hull simultaneously.
The present invention also provides a kind of construction installation method of described FPSO crane stack shells, it is characterised in that including：
S1：The method of construction of FPSO crane stack shells：
S11：Lower stack shell inboard portion, lower stack shell outboard portion and upper stack shell part A, the manufacture of upper stack shell part B；
S12：Upper stack shell part A and upper stack shell part B are spliced and are welded into upper stack shell；
And S2：The installation method of FPSO crane stack shells：
S21：FPSO main deck and side plate are reequiped：(1) the crane stack shell installation site choosing of main deck
Local renew is carried out with thickening plate；(2) the crane stack shell installation site of side plate renews from thickening plate progress is local, and
It is vertical with the side plate in the inner side installing frame frame plate of side plate, the frame plate；Outside to main deck and topside
The part of plate renews, and ensures the Structural strength calls in the region, is prepared for the installation of FPSO crane stack shells, the peace of frame plate
Dress is further ensured that the structural strength after the installation of FPSO cranes stack shell；
S22：The installation of lower stack shell inboard portion：(1) by the first semicylindrical body upper end of lower stack shell inboard portion and repacking
Main deck afterwards is welded and fixed, and will be welded and fixed on the inside of the side of lower stack shell inboard portion and side plate, is made the framework
Plate lateral lower stack shell inboard portion out of side plate passes through and protruding；(2) pacify below the main deck after repacking
Dress main deck is indulged to be strengthened under bone and main deck, installs several columns deep bracket in the inner side of side plate, and the deep bracket is put down
Row is arranged at the outside of the lower stack shell inboard portion；FPSO cranes stack shell with main deck contact position and side plate
Contact position has made a separation, and the present invention increases several columns deep bracket newly in the side plate inside region of former FPSO hulls,
For ensureing the Structural strength calls in the region.
S23：The lifting and installation of lower stack shell outboard portion：90 ° of turn is carried out to lower stack shell outboard portion from shore tackle
(such as optional 2 45T shore tackle connection is hung) afterwards, after being accordingly fixedly welded on the repacking with lower stack shell inboard portion
Main deck and side plate；
S24：Upper stack shell hangs, turned over using straddle truck (separate unit 600T straddle trucks) is flat, and using location adjusting device to upper
Stack shell part B bottom and the top of lower stack shell outboard portion position, while carry out positioning regulation using cucurbit and jack, ensure
The center line of upper stack shell and lower stack shell is and vertical with hull baseline on same plumb line, finally welds upper stack shell and lower stack shell
Connect fixation.
Because the FPSO cranes stack shell is up to more than 50 meters from the ground, it is bigger to be related to work high above the ground difficulty, it is contemplated that follow-up
The difficulty of lifting construction, outboard portion, top stack shell lower stack shell are divided into above-mentioned to be lifted twice.
Further, the manufacturer of stack shell inboard portion, lower stack shell outboard portion and upper stack shell part B is descended in the S11
Method is：
(1) steel plate cutting is cut：According to lower stack shell inboard portion, lower stack shell outboard portion and upper stack shell part A, upper stack shell
Each section of different shape of part B cuts into different steel plate raw materials；
(2) steel plate rolls machine-shaping：Lower stack shell inboard portion is divided into the segmentation of the first semicylindrical body, the first half truncated cone-shaped cylinders
Body is segmented and the segmentation of the second semicylindrical body rolls machine-shaping respectively, and lower stack shell outboard portion is divided into the segmentation of the 3rd cylinder, the
Three semicylindrical bodies are segmented and the segmentation of the first half-cone cylinder rolls machine-shaping respectively, and upper stack shell part A is divided into the first cylinder
Segmentation and the segmentation of the first truncated cone-shaped cylinder roll machine-shaping respectively, and upper stack shell part B is divided into the segmentation of several cylinders and rolled
Machine-shaping；
(3) stack shell inboard portion, lower stack shell outboard portion and upper stack shell part A under, upper stack shell part B it is prefabricated：Roll
Each segmentation after machine-shaping is respectively according to lower stack shell inboard portion, lower stack shell outboard portion and upper stack shell part A, upper stack shell B
Partial structure is welded splicing and closed up successively.
Further, step (2) steel plate roll-forming tools selection Samsung roller in the S11, each cylinder, which rolls, to be added
Work is molded the welding for also including longitudinal seam, respectively rolls the cylinder after machine-shaping, semicylindrical body, half truncated cone-shaped cylinder and half
The inside of conical shell is all provided with reinforcing plate；The welding splicing step of upper stack shell part B is in the step (3)：Using automatic rotary
Several cylinders segmentation of the rotating tooling moulding bed to upper stack shell part B carries out circular weld welding and closed up one by one, when closing up, it is ensured that
The concentricity of each cylinder segmentation docking simultaneously checks the circularity of each cylinder simultaneously, after the completion of circular weld welding, cylinder in measurement
The overall linearity of body part B.Upper stack shell part B carries out the welding of circular weld using automatic rotary tooling moulding bed, makes some
Individual cylinder segmentation 360 ° of rotations in weld seam welding process, welding personnel need to only close up the top of part between cylinder segmentation
Portion's downhand welding, it is easy to the operation of welding and the guarantee of welding precision.Splicing welding between remaining several part, is not related to cylinder
Between circular weld welding, can both use above-mentioned rotary tooling moulding bed automatically operate, can also use normal welding side
Method.
Further, the automatic rotary tooling moulding bed includes several bases that are arranged in parallel and being connected with each other, each
Left buttress and right buttress are symmetrically arranged with base, be respectively equipped with left buttress and right buttress by electrical motor driven can be 360 °
The roller of rotation, the roller array on each base form an arc supporting portion.
Further, in the step of S11 (3)：Pass through the cross got on the cross section of each cylinder with laser
Line ensures the concentricity of each cylinder segmentation docking as center line, while uses annular frock, checks each cylinder circularity,
Check precision and deformation；After the completion of circular weld welding, the method for the overall linearity of stack shell part B is in measurement：Choosing
Taking each 90 ° of end points of top point and left and right of cylinder body section, top end is determined by horizon rule at totally three to check datum mark,
Left and right end points is determined by square, and pipe of the both ends of the upward stack shell part B of datum along the second cylinder is checked at three
Length direction draws steel wire, measures a linearity every 500mm, must measure at each circular weld, the margin of tolerance ± 2mm, right
Deviation more than the margin of tolerance correct.
Further, what step (1) main deck in the S21 was selected is thickening plate 30mm DH32Z to steel, step
(2) thickening plate that side plate is selected is 30mm EH36, and the frame plate selects 25mm DH36 thickening plate；In the S22
The step of (2) main deck indulge bone select height 1000mm strong stringers；Also include between S22 and S23：Welding is completed to structure
Integrality is tested, and is detected a flaw within 24 hours in postwelding, is carried out after the assay was approved in next step.
Further, totally four groups of the location adjusting device, each group of location adjusting device include regulating block and one on one
Lower regulating block, the upper regulating block are installed on the outer wall bottom of stack shell part B, lower regulating block and are correspondingly arranged on lower stack shell outboard
At the top of partial outer wall, outer wall and lower stack shell outboard portion of the four groups of location adjusting device uniform rings around upper stack shell part B
Outer wall installation, jack is placed on the lower regulating block of every group of location adjusting device between upper regulating block.
The FPSO cranes stack shell and its construction installation method of the present invention, has the advantages that：
(1) FPSO crane barrel body structures of the invention are compact, and having ship, more deck usable floor area is available, right
Sight influences smaller on bridge, and the structure design of FPSO cranes stack shell of the present invention, which may be such that, is utilizing smaller hull deck space
On the premise of ensure the structural strength of whole crane；
(2) method of construction of FPSO crane stack shells of the invention to each part charge of crane stack shell by adding
Work and prefabricated, precision controlling, and a certain degree of repacking is carried out to primitive nail plate and side plate, then by the way that crane stack shell is divided
Lifted, installed respectively for upper stack shell and lower stack shell two parts, lower stack shell inboard portion and outboard portion are carried out specific
Installation is fixed, and not only shortens the integral hoisting time, is solved the shortcomings of spacing, positioning is difficult during lifting, is reduced difficulty of construction
And cost, it in turn ensure that the overall construction intensity of lifting precision, installation accuracy and FPSO crane stack shells.
In order to more fully understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Brief description of the drawings
Fig. 1 is front view of the FPSO crane stack shell overall structures with FPSO hulls of embodiment 1；
Fig. 2 is lateral plan of the FPSO crane stack shell overall structures with FPSO hulls of embodiment 1；
Fig. 3 is the outer arc shape code plate structure schematic diagram in embodiment 2；
Fig. 4 is the inner arc shape code plate structure schematic diagram in embodiment 2；
Fig. 5 is the sealing weld process schematic representation of the longitudinal seam in embodiment 2；
Fig. 6 is the annular tool structure schematic diagram in embodiment 2；
Fig. 7 is the front view of the automatic rotary tooling moulding bed and upper stack shell part B in embodiment 2；
Fig. 8 is the lateral plan of the automatic rotary tooling moulding bed in embodiment 2；
Fig. 9 is that the top end of each cylinder body section of upper stack shell part B in embodiment 2 and left end point determine that method is illustrated
Figure；
Figure 10 is that the top end of each cylinder body section of upper stack shell part B in embodiment 2 and right endpoint determine that method is shown
It is intended to；
Figure 11 is the overall verticality measuring method schematic diagram of the upper stack shell part B in embodiment 2；
Figure 12 is that the lower stack shell stereochemical structure of the FPSO hulls (ship side part) and FPSO cranes after embodiment 2 is reequiped is shown
It is intended to；
Figure 13 be embodiment 2 FPSO cranes under stack shell outboard portion lifting schematic diagram；
Figure 14 is the lifting schematic diagram of stack shell on the FPSO cranes of embodiment 2；
Figure 15 is the structure and scheme of installation of the location adjusting device in embodiment 2；
The upper stack shells of 1-, 11-A parts, the cylinders of 111- first, 112- the first truncated cone-shaped cylinders, 12-B parts, 121- cylinders
Body is segmented, 122- longitudinal seams, 123- reinforcing plates, 124- circular welds, 125- top ends, 126- left end points, 127- right-hand members
Point, 128- steel wires, stack shell under 2-, 21- inboard portions, the semicylindrical bodies of 211- first, the truncated cone-shaped cylinders of 212- the first half, 213-
Two semicylindrical bodies, 22- outboard portions, the cylinders of 221- the 3rd, the semicylindrical bodies of 222- the 3rd, 223- the first half-cone cylinders, 3-
Main deck, 31- main decks are indulged bone, strengthened under 32- main decks, 4- side plates, 41- frame plates, 42- deep brackets, 51- outer arcs
Shape code plate, 52- inner arc shape code plates, 6- annular frocks, the automatic rotary tooling moulding beds of 7-, 71- bases, the left buttresses of 711-, 712- are right
Buttress, 72- electro-motors, 73- rollers, 8- location adjusting devices, the upper regulating blocks of 81-, regulating block under 82-, 83- jack, 9-
Square, 10- straddle trucks, 101-1 hooks, 102-2 hooks, 103-3 hooks.
Embodiment
Embodiment 1
Such as Fig. 1~2, FPSO crane stack shells, including the upper stack shell 1 being sequentially connected and lower stack shell 2：Upper stack shell 1 is by part A
11 and part B 12 be connected in sequence, part A 11 be vertically connected with by the first cylinder 111 and the first truncated cone-shaped cylinder 112 and
Into part B 12 is cylindrical, is the second cylinder；Lower stack shell 2 includes inboard portion 21 and outboard portion 22, inboard portion 21
Including the first semicylindrical body 211, the first half semicylindrical bodies 213 of truncated cone-shaped cylinder 212 and second being vertically connected with successively, outside the side of a ship
Divide 22 the 3rd cylinder 221, the 3rd semicylindrical body 222 and the first half-cone cylinders 223 for including being vertically connected with successively, upper stack shell
1 is connected with the outboard portion 22 of lower stack shell, and the inner side of side plate 4 of lower stack shell inboard portion 21 and FPSO is fixed, and is fixed on
The FPSO lower section of main deck 3, the 3rd semicylindrical body 221 and the first half-cone cylinder 222 and FPSO of lower stack shell outboard portion 22
The outside of side plate 4 it is fixed, the 3rd cylinder 221 is fixed on the FPSO top of main deck 3.
Specifically, the FPSO crane stack shells of the present embodiment, the total length of upper stack shell 1 is 24027mm, wherein part A
Length is 5259mm, and the length of part B is 18768mm, and the length of lower stack shell 2 is 8875mm, and the external diameter of the first cylinder is
3045mm, the bottom external diameter of the first truncated cone-shaped cylinder 112, the external diameter of the 3rd cylinder 221, the external diameter of the second cylinder 12 are
3700mm.Lower stack shell inboard portion 21 and lower stack shell outboard portion 22 form cylinder of the bottom with two slopes, described
Two slopes are located at the both sides of FPSO side plates 4 respectively.
Embodiment 2
The construction of the FPSO crane stack shells of embodiment 1 and installation method are as follows：
S1：The method of construction of FPSO crane stack shells：
S11：Lower stack shell inboard portion 21, lower stack shell outboard portion 22 and upper stack shell part A 11, upper stack shell part B 12
Manufacture：
(1) steel plate cutting is cut：According to lower stack shell inboard portion 21, lower stack shell outboard portion 22 and upper stack shell part A 11,
Each section of different shape of upper stack shell part B 12 cuts into different steel plate raw materials；
(2) steel plate rolls machine-shaping：Lower stack shell inboard portion 21 divides for the segmentation of the first semicylindrical body, the first half truncated cone-shapeds
Cylinder is segmented and the segmentation of the second semicylindrical body rolls machine-shaping respectively, and lower stack shell outboard portion 22 divides for the 3rd cylinder point
Section, the segmentation of the 3rd semicylindrical body and the segmentation of the first half-cone cylinder roll machine-shaping respectively, and upper stack shell part A 11 is divided for first
Cylinder is segmented and the segmentation of the first truncated cone-shaped cylinder rolls machine-shaping respectively, and upper stack shell part B 12 is divided for several cylinders
Segmentation 121 rolls machine-shaping；Steel plate roll-forming tools selection Samsung roller, each cylinder segmentation 121 roll machine-shaping also
Include the welding of longitudinal seam 122：During welding, the first spot welding outside groove, and add outer arc shape code plate 51 (such as Fig. 3, Fig. 5) side by side
Positioning, then weld inside cylinder, after all interior welds are completed, remove outer arc shape code plate 51, to outside groove catching groove,
Add inner arc shape code plate 52 (such as Fig. 4) inside cylinder, then outside welding drum body, annular frock 6 (figure is used in welding process
6) cylinder circularity is checked, deformation position needs carbon plane to reweld or roller circle requires to reach circularity again, above-mentioned outer arc shape code plate
51 be the square plate with an arc-shaped recess, and its circular arc internal diameter is equal with the external diameter of the cylinder, above-mentioned inner arc shape code
Plate 52 is the square plate with an arc evagination, and its circular arc outer diameter is equal with the internal diameter of the cylinder, above-mentioned annular work
It is the wooden frock of a ring-type to fill 6, and its external diameter is equal with the internal diameter of the cylinder, diametrically provided with grip part 61, measurement
During cylinder circularity, it can be measured by 360 ° of rotation；Roll the cylinder after machine-shaping, semicylindrical body, half round platform
The inside of shape cylinder and half-cone cylinder is all provided with reinforcing plate 123；
(3) stack shell inboard portion 21, lower stack shell outboard portion 22 and upper stack shell part A 11 under, upper stack shell part B 12 it is pre-
System：Each segmentation after machine-shaping is rolled respectively according to lower stack shell inboard portion 21, lower stack shell outboard portion 22 and upper stack shell A portions
The 11, structure of upper stack shell part B 12 is divided to weld splicing successively and close up.Wherein, the welding splicing step of upper stack shell part B 12 is：
As shown in Figure 7,8, carried out one by one using several cylinders segmentation 121 of the automatic rotary tooling moulding bed 7 to upper stack shell part B 12
Circular weld welding is closed up, and the automatic rotary tooling moulding bed 7 includes several bases 71 that are arranged in parallel and being connected with each other, often
Left buttress 711 and right buttress 712 are symmetrically arranged with individual base, is respectively equipped with left buttress 711 and right buttress 712 by electronic horse
Up to 72 drivings can 360 ° of rotations rollers 73, the arc supporting portion of 73 arrangement form of roller one on each base 71；In annular
Before weld seam 124 welds, 124 outside groove elder generations of per pass circular weld spot welding (length is no less than 200mm), and add outer arc shape code plate 51
It is fixed, the inside groove of cylinder is first welded during welding, draws close from both ends to centre, layer by layer built-up welding, is removed after the completion of interior welds
Outer arc shape code plate；To outside catching groove, the inside of cylinder adds inner arc shape code plate 52 to fix, and then welding is outside；It should be adopted during welding
Carried out with symmetric mode to reduce deformation；When each cylinder closes up, pass through what is got on the cross section of each cylinder with laser
Cross hairs ensures the concentricity of each cylinder segmentation docking as center line, while uses annular frock 6, checks each cylinder
Circularity, check precision and deformation；After the completion of circular weld 124 welds, the overall linearity of stack shell part B 12 in measurement,
Such as Fig. 9~11：Each 90 ° of end points of top end 125 and left and right of cylinder body section are chosen at totally three to check datum mark, top end
Point 125, left end point 126 and right endpoint 127 are determined by square 9, and the upward stack shell part B of datum is checked at three
Steel wire 128 is drawn in pipe range direction of the both ends along the second cylinder, at a 500mm linearity of measurement, each circular weld 124
It must measure, the margin of tolerance ± 2mm, correcting for the margin of tolerance is more than to deviation.
S12：Stack shell part B 12 in constructed upper stack shell part A 11 is spliced and is welded into upper stack shell；
S2：The installation method of FPSO crane stack shells：
S21：FPSO main deck 3 and side plate 4 are reequiped (such as Figure 12)：(1) the crane stack shell of main deck 3
Installation site carries out local renew from thickening plate 30mm DH32Z to steel；(2) the crane stack shell installation position of side plate 4
Put and renew from thickening plate 30mm EH36 progress is local, and in the inner side installing frame frame plate 41 of side plate, the frame plate 41
It is vertical with the side plate 4 from 25mm DH36 thickening plate；
S22：The installation of lower stack shell inboard portion 21：(1) by the upper end of the first semicylindrical body 211 of lower stack shell inboard portion 21
It is welded and fixed with the main deck 3 after repacking, the side of lower stack shell inboard portion 21 and the inner side of side plate 4 is welded and fixed,
Making the frame plate 41, stack shell inboard portion 21 passes through and protruding downwards from the inner side of side plate 4；(2) master after repacking
Installation main deck in the lower section of deck 3 is indulged to be strengthened under bone 31 and main deck, and main deck indulges the strong stringers that bone 31 is height 1000mm, in the side of a ship
6 row deep brackets 42 are installed in the inner side of side outside plate 4, and the deep bracket 42 is set in parallel in the lower stack shell inboard portion 21
Outside, welding is completed to test to structural intergrity, and is detected a flaw within 24 hours in postwelding, carries out after the assay was approved next
Step；
S23：The lifting and installation (Figure 13) of lower stack shell outboard portion 22：Hung from 2 45T shore tackle connection to the lower stack shell side of a ship
After outer portion 22 carries out 90 ° of turn, the main deck 3 that is accordingly fixedly welded on lower stack shell inboard portion 21 after repacking and
Side plate 4；
S24：Such as Figure 14, upper stack shell 1 hangs, turned over using separate unit 600T straddle trucks 10 are flat, and suspension hook is equipped with 40T steel wires and 60T
Each 2 sets of steel wire, shackle accordingly selects the (first step according to lifting steel wire：Use the hook 102,3 of No. 1 hook of 600t straddle trucks 101,2
To upper stack shell 1 turn over by totally 3 hooks cooperations for hook 103, second step：Connection hangs enough height, and No. 3 hooks 103 put hook, make stack shell
1 pendulum is vertical, the 3rd step：After the upper pendulum of stack shell 1 is stood in place, No. 3 hooks 103 break off relations, if upper stack shell 1 is uneven, gantry crane adjusts 2, No. 3 hooks
101st, 102 ajust the balance of stack shell 1, and lifting is gone on board)；And use location adjusting device 8 to the upper bottom of stack shell part B 12 with
The top of stack shell outboard portion 22 is accurately positioned, and as shown in figure 15, totally four groups of the location adjusting device 8, each group is determined
Position adjusting means 8 includes regulating block 81 on one and once regulating block 82, the upper regulating block 81 are installed on stack shell part B 12
Outer wall bottom, lower regulating block 82 are corresponding at the top of the outer wall of lower stack shell outboard portion 22, four groups of location adjusting devices 8
Uniform ring is installed around the outer wall of upper stack shell part B 12 and the outer wall of lower stack shell outboard portion 22, and jack 83 is placed in every group of positioning
On the lower regulating block of adjusting means between upper regulating block, while positioning regulation is carried out using cucurbit and jack 83, in guarantee
The center line of lower stack shell is and vertical with hull baseline on same plumb line, is finally welded and fixed upper stack shell 1 and lower stack shell 2.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.
Claims (10)
1.FPSO crane stack shells, it is characterised in that including the upper stack shell being sequentially connected and lower stack shell：The upper stack shell is by A portions
Divide and part B is connected in sequence, the part A is vertically connected with and formed by the first cylinder and the first truncated cone-shaped cylinder, the B
Part-cylindrical, it is the second cylinder；The lower stack shell includes inboard portion and outboard portion, the inboard portion include according to
Secondary the first semicylindrical body being vertically connected with, the first half truncated cone-shaped cylinder and the second semicylindrical bodies, the outboard portion are included successively
The 3rd cylinder, the 3rd semicylindrical body and the first half-cone cylinder being vertically connected with, the side of a ship of the upper stack shell and the lower stack shell
Outer portion connects, fixed on the inside of the side plate of the lower stack shell inboard portion and FPSO, and is fixed under FPSO main deck
Side, the 3rd semicylindrical body and the first half-cone cylinder and FPSO the side plate outside of the lower stack shell outboard portion are fixed,
3rd cylinder is fixed on above FPSO main deck.
2. FPSO cranes stack shell according to claim 1, it is characterised in that the first cylinder of the upper stack shell part A
External footpath is less than the external diameter of the upper stack shell part B, the bottom external diameter of the first truncated cone-shaped cylinder and upper stack shell part B external diameter phase
Together, the 3rd cylinder external diameter of the lower stack shell outboard portion is identical with the external diameter of the upper stack shell part B.
3. FPSO cranes stack shell according to claim 1, it is characterised in that the lower stack shell inboard portion and lower stack shell
Outboard portion forms cylinder of the bottom with two slopes, and described two slopes are located at the two of FPSO side plates respectively
Side.
4. the construction installation method of the FPSO crane stack shells described in claim 1, it is characterised in that including：
S1：The method of construction of FPSO crane stack shells：
S11：Lower stack shell inboard portion, lower stack shell outboard portion and upper stack shell part A, the manufacture of upper stack shell part B；
S12：Upper stack shell part A and upper stack shell part B are spliced and are welded into upper stack shell；
And S2：The installation method of FPSO crane stack shells：
S21：FPSO main deck and side plate are reequiped：(1) the crane stack shell installation site of main deck, which is selected, adds
Slab carries out local renew；(2) the crane stack shell installation site of side plate renews from thickening plate progress is local, and in the side of a ship
The inner side installing frame frame plate of side outside plate, the frame plate are vertical with the side plate；
S22：The installation of lower stack shell inboard portion：(1) by behind the first semicylindrical body upper end of lower stack shell inboard portion and repacking
Main deck is welded and fixed, and will be welded and fixed on the inside of the side of lower stack shell inboard portion and side plate, make the frame plate from
The lateral lower stack shell inboard portion passes through and protruding in side plate；(2) master is installed below the main deck after repacking
Strengthen under deck longitudinal and main deck, several columns deep bracket is installed in the inner side of side plate, and the deep bracket is parallel sets
It is placed in the outside of the lower stack shell inboard portion；
S23：The lifting and installation of lower stack shell outboard portion：After 90 ° of turn is carried out to lower stack shell outboard portion from shore tackle, with
Lower stack shell inboard portion is accordingly fixedly welded on main deck and side plate after the repacking；
S24：Upper stack shell hangs, turned over using straddle truck is flat, and using location adjusting device to upper stack shell part B bottom and lower stack shell
The top positioning of outboard portion, while carry out positioning regulation using cucurbit and jack, the center of stack shell and lower stack shell in guarantee
Line is and vertical with hull baseline on same plumb line, is finally welded and fixed upper stack shell and lower stack shell.
5. the construction installation method of FPSO cranes stack shell according to claim 4, it is characterised in that under in the S11
The manufacture method of stack shell inboard portion, lower stack shell outboard portion and upper stack shell part B is：
(1) steel plate cutting is cut：According to lower stack shell inboard portion, lower stack shell outboard portion and upper stack shell part A, upper stack shell B portions
Each section of different shape divided cuts into different steel plate raw materials；
(2) steel plate rolls machine-shaping：Lower stack shell inboard portion is divided into the segmentation of the first semicylindrical body, the first half truncated cone-shaped cylinders point
Section and the segmentation of the second semicylindrical body roll machine-shaping respectively, and lower stack shell outboard portion is divided into the segmentation of the 3rd cylinder, the 3rd half
Cylinder is segmented and the segmentation of the first half-cone cylinder rolls machine-shaping respectively, and upper stack shell part A is divided into the segmentation of the first cylinder
Machine-shaping is rolled respectively with the segmentation of the first truncated cone-shaped cylinder, and upper stack shell part B is divided into the segmentation of several cylinders and rolls processing
Shaping；
(3) stack shell inboard portion, lower stack shell outboard portion and upper stack shell part A under, upper stack shell part B it is prefabricated：Roll processing
Each segmentation after shaping is respectively according to lower stack shell inboard portion, lower stack shell outboard portion and upper stack shell part A, upper stack shell part B
Structure weld splicing successively and close up.
6. the construction installation method of FPSO cranes stack shell according to claim 5, it is characterised in that in the S11
Step (2) steel plate roll-forming tools selection Samsung roller, each cylinder, which rolls machine-shaping, also includes the welding of longitudinal seam, respectively
The inside for rolling the cylinder after machine-shaping, semicylindrical body, half truncated cone-shaped cylinder and half-cone cylinder is all provided with reinforcing plate；It is described
The welding splicing step of upper stack shell part B is in step (3)：Using automatic rotary tooling moulding bed to some of upper stack shell part B
Individual cylinder segmentation carries out circular weld welding and closed up one by one, when closing up, it is ensured that the concentricity of each cylinder segmentation docking is simultaneously same
When check the circularity of each cylinder, after the completion of circular weld welding, the linearity of stack shell part B entirety in measurement.
7. the construction installation method of FPSO cranes stack shell according to claim 6, it is characterised in that the automatic rotation
Frock moulding bed includes several bases that are arranged in parallel and being connected with each other, and left buttress and right branch are symmetrically arranged with each base
Be respectively equipped with pier, left buttress and right buttress by electrical motor driven can 360 ° of rotations rollers, the roller on each base
The arc supporting portion of arrangement form one.
8. the construction installation method of FPSO cranes stack shell according to claim 6, it is characterised in that the step (3)
In：By the way that each cylinder segmentation docking is ensured by the use of the cross hairs that laser is got as center line on the cross section of each cylinder
Concentricity, while use annular frock, check each cylinder circularity, check precision and deformation；Circular weld has welded
Cheng Hou, the method for the overall linearity of stack shell part B is in measurement：Choose each 90 ° of ends of top point and left and right of cylinder body section
For point at totally three to check datum mark, top end determines that left and right end points is determined by square by horizon rule, is checked at three
Steel wire is drawn in pipe range direction of the both ends of the upward stack shell part B of datum along the second cylinder, and a straight line is measured every 500mm
Spend, must be measured at each circular weld, the margin of tolerance ± 2mm, correcting for the margin of tolerance is more than to deviation.
9. the construction installation method of FPSO cranes stack shell according to claim 4, it is characterised in that in the S21
What step (1) main deck was selected be thickening plate 30mm DH32Z to steel, the thickening plate that step (2) side plate is selected is 30mm
EH36, the frame plate select 25mm DH36 thickening plate；Step (2) main deck in the S22 indulges bone from height
1000mm strong stringers；Also include between S22 and S23：Welding is completed to test to structural intergrity, and small in postwelding 24
Shi Jinhang detects a flaw, and carries out after the assay was approved in next step.
10. the construction installation method of FPSO cranes stack shell according to claim 4, it is characterised in that the positioning is adjusted
Totally four groups of regulating device, each group of location adjusting device includes regulating block on one and once regulating block, the upper regulating block are installed on
The outer wall bottom of upper stack shell part B, lower regulating block are correspondingly arranged at the top of the outer wall of lower stack shell outboard portion, four groups of positioning
Around the outer wall installation of the outer wall and lower stack shell outboard portion of upper stack shell part B, jack is placed in every group to be determined adjusting means uniform ring
On the lower regulating block of position adjusting means between upper regulating block.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108750004A (en) * | 2018-05-31 | 2018-11-06 | 广船国际有限公司 | Mast processing technology and its ship is used under a kind of sail assisted ship |
| CN109623639A (en) * | 2019-02-01 | 2019-04-16 | 七冶建设集团有限责任公司 | A kind of installation method of the anodontia mill trunnion of ultra-large type |
| CN111942544A (en) * | 2020-08-20 | 2020-11-17 | 中船澄西扬州船舶有限公司 | Quick positioning method for crane cylinder |
| CN113070598A (en) * | 2021-03-30 | 2021-07-06 | 广州文冲船舶修造有限公司 | Manufacturing and mounting method of oil transportation platform I-shaped pipe under FPSO |
| CN113998323A (en) * | 2021-11-01 | 2022-02-01 | 上海锅炉厂有限公司 | Outer cylinder structure, inner support mounting device thereof and manufacturing process method |
| CN114132839A (en) * | 2021-12-01 | 2022-03-04 | 沪东中华造船(集团)有限公司 | Crane installation method for heavy crane ship |
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| CN205241087U (en) * | 2016-01-01 | 2016-05-18 | 南通金德钢结构有限公司 | Barrel is hung in order of boats and ships gram |
| CN105947910A (en) * | 2016-05-27 | 2016-09-21 | 中船澄西船舶（广州）有限公司 | Lifting process of upper structure of FPSO crane |
| CN106184611A (en) * | 2016-07-22 | 2016-12-07 | 中船澄西船舶（广州）有限公司 | The construction of the pillar of FPSO seawater lift pump and hoisting |
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| US4197953A (en) * | 1974-10-08 | 1980-04-15 | Orenstein & Koppel Ag | Double slewing crane construction |
| CN205241087U (en) * | 2016-01-01 | 2016-05-18 | 南通金德钢结构有限公司 | Barrel is hung in order of boats and ships gram |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108750004A (en) * | 2018-05-31 | 2018-11-06 | 广船国际有限公司 | Mast processing technology and its ship is used under a kind of sail assisted ship |
| CN109623639A (en) * | 2019-02-01 | 2019-04-16 | 七冶建设集团有限责任公司 | A kind of installation method of the anodontia mill trunnion of ultra-large type |
| CN111942544A (en) * | 2020-08-20 | 2020-11-17 | 中船澄西扬州船舶有限公司 | Quick positioning method for crane cylinder |
| CN113070598A (en) * | 2021-03-30 | 2021-07-06 | 广州文冲船舶修造有限公司 | Manufacturing and mounting method of oil transportation platform I-shaped pipe under FPSO |
| CN113998323A (en) * | 2021-11-01 | 2022-02-01 | 上海锅炉厂有限公司 | Outer cylinder structure, inner support mounting device thereof and manufacturing process method |
| CN114132839A (en) * | 2021-12-01 | 2022-03-04 | 沪东中华造船(集团)有限公司 | Crane installation method for heavy crane ship |
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|---|---|
| CN107352450B (en) | 2018-10-16 |
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Effective date of registration: 20200103 Address after: 511462 building 6, No. 2, No. 10, QIHANG Road, Nansha District, Guangzhou City, Guangdong Province (production management building and auxiliary building of electromechanical comprehensive workshop) (office only) Patentee after: Guangzhou Wenchong Shipbuilding Co., Ltd Address before: 511462 No. 10, sailing Road, Nansha District, Guangdong, China, No. 1, 4 (office building), written by myself, Guangzhou Patentee before: The boat in Guangzhou Wenchong Dock Company Limited |
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